--- product_id: 79981305 title: "Technical Precision 3.5V Halogen 03100, 03100, 03100-U Light Bulb WA 1-Pack" brand: "technical precision" price: "HK$442" currency: HKD in_stock: true reviews_count: 8 url: https://www.desertcart.hk/products/79981305-technical-precision-3-5v-halogen-03100-03100-03100-u-light store_origin: HK region: Hong Kong --- # 20-hour reliable lifespan 3.5V precision voltage 2.52W low power halogen Technical Precision 3.5V Halogen 03100, 03100, 03100-U Light Bulb WA 1-Pack **Brand:** technical precision **Price:** HK$442 **Availability:** ✅ In Stock ## Summary > 💡 Illuminate your expertise with precision and power! ## Quick Answers - **What is this?** Technical Precision 3.5V Halogen 03100, 03100, 03100-U Light Bulb WA 1-Pack by technical precision - **How much does it cost?** HK$442 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/79981305-technical-precision-3-5v-halogen-03100-03100-03100-u-light) ## Best For - technical precision enthusiasts ## Why This Product - Trusted technical precision brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Compatible:** Designed to perfectly replace Welch Allyn 03100 series bulbs with a small screw base for seamless fit. - • **Trusted Medical Grade:** Specialized for otoscope use, this battery-powered halogen bulb supports professional healthcare environments. - • **Precision Power Delivery:** Optimized 3.5V ensures consistent, flicker-free illumination for critical medical exams. - • **Durable Clear Glass Finish:** Crystal-clear glass maximizes light output and visibility, built to withstand frequent use. - • **Energy-Efficient Brilliance:** Consumes just 2.52 watts while delivering bright, clear white light to enhance diagnostic accuracy. ## Overview The Technical Precision 3.5V Halogen 03100 bulb is a specialized, battery-powered replacement lamp designed for Welch Allyn otoscopes. Featuring a compact T1.5 shape, 2.52W power consumption, and a 20-hour rated life, it delivers reliable, bright white light essential for medical examinations. Its clear glass finish and exact fit ensure seamless integration and optimal performance in professional healthcare settings. ## Description Technical Precision is a lighting manufacturer and distributor dedicated to providing reliable lighting and battery products for all of your unique lighting applications! Technical Precision is a lighting manufacturer and distributor dedicated to providing reliable lighting and battery products for all of your unique lighting applications! Technical Precision is a lighting manufacturer and distributor dedicated to providing reliable lighting and battery products for all of your unique lighting applications! Technical Precision is a lighting manufacturer and distributor dedicated to providing reliable lighting and battery products for all of your unique lighting applications! ## Features - Specification - 3.5V, 2.52W, T1.5 halogen bulb with metal cylinder and small screw base, 20 hours average rated life, clear glass finish, 0.6 inches L x 0.25 inches W - 1 pack. - Perfect Replacement Lamp - Directly replaces Welch Allyn otoscope bulb 03100, WA03100, 03100-U. - Application - Ideal for use as Welch Allyn exam light otoscope lamp. - Power Source - This halogen replacement lamp is battery-powered. - Disclaimer - Our lamp is a direct replacement for Welch Allyn Bulb 03100, WA 03100, 03100-U only, and is not manufactured by the Welch Allyn company. ## Technical Specifications | Specification | Value | |---------------|-------| | Accepted Voltage Frequency | 100 to 240 Volts and 50 Hertz to 60 Hertz | | Additional Features | Specialized Medical Use, Battery Operated | | Asin | B07GZV3GN3 | | Best Sellers Rank | #127,163 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #488 in Halogen Bulbs | | Brand Name | Technical Precision | | Bulb Base | E26 | | Bulb Shape Size | T | | Color | Clear | | Control Method | App | | Customer Reviews | 4.4 4.4 out of 5 stars (80) 4.4 out of 5 stars | | Incandescent Equivalent Wattage | 20 watts | | Indoor Outdoor Usage | Indoor | | Item Dimensions W X H | 0.6"W x 0.6"H | | Light Color | white | | Light Source Operating Life | 20 hours | | Light Source Type | LED | | Light Source Wattage | 2.52 watts | | Light Type | Halogen | | Manufacturer | Trechnical Precision | | Manufacturer Part Number | Technical-Precision-WA-03100 | | Material Type | Thermoplastic | | Model Name | Technical-Precision-WA-03100 | | Model Number | Technical-Precision-WA-03100 | | Package Quantity | 1 | | Power Consumption | 2.52 watts | | Power Source | Battery Powered | | Shape | Arbitrary(A) | | Specific Uses For Product | Otoscope Lamp | | Unit Count | 1 Count | | Voltage | 3.5 volts | | Wattage | 2.52 watts | ## Product Details - **Brand:** Technical Precision - **Bulb Shape Size:** T - **Light Type:** Halogen - **Special Feature:** Specialized Medical Use, Battery Operated - **Wattage:** 2.52 watts ## Images ![Technical Precision 3.5V Halogen 03100, 03100, 03100-U Light Bulb WA 1-Pack - Image 1](https://m.media-amazon.com/images/I/41-ucJF0V0L.jpg) ![Technical Precision 3.5V Halogen 03100, 03100, 03100-U Light Bulb WA 1-Pack - Image 2](https://m.media-amazon.com/images/I/51LbWjwSFtL.jpg) ![Technical Precision 3.5V Halogen 03100, 03100, 03100-U Light Bulb WA 1-Pack - Image 3](https://m.media-amazon.com/images/I/41AxObziv2L.jpg) ![Technical Precision 3.5V Halogen 03100, 03100, 03100-U Light Bulb WA 1-Pack - Image 4](https://m.media-amazon.com/images/I/51wzdqAJpHL.jpg) ![Technical Precision 3.5V Halogen 03100, 03100, 03100-U Light Bulb WA 1-Pack - Image 5](https://m.media-amazon.com/images/I/41ggv3h0uvL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Otoscope battery *by on Reviewed in the United States September 23, 2023* Would buy again. Battery was for my otoscopeI'm a Nurse Practitioner ### ⭐⭐⭐⭐⭐ Very useful item *by on Reviewed in the United States November 1, 2022* None ### ⭐⭐⭐⭐⭐ Generic replacements works great! *by on Reviewed in the United States April 27, 2020* Great replacement at a fraction of cost of name brand ## Frequently Bought Together - 3.5V Halogen Replacement Lamp for Welch Allyn Bulb 03100, WA 03100, 03100-U by Technical Precision - Compatible Welch Allyn Light Bulb - Clear - 1 Pack - Funtery 2 Pcs Halogen Replacement Bulbs Compatible with Welch Allyn, 3.5v Lamp 06500-u Otoscope Lamp (03100-U) - Welch Allyn 03000-U Halogen Replacement Lamp, 3.5V --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hk/products/79981305-technical-precision-3-5v-halogen-03100-03100-03100-u-light](https://www.desertcart.hk/products/79981305-technical-precision-3-5v-halogen-03100-03100-03100-u-light) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-08-14*