---
product_id: 208020764
title: "LMRRUL Retro-Reflective Photo Eye"
brand: "liftmaster"
price: "HK$5870"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/208020764-lmrrul-retro-reflective-photo-eye
store_origin: HK
region: Hong Kong
---

# 50 ft sensing range Built-in heater for all-weather Single-side power, easy install LMRRUL Retro-Reflective Photo Eye

**Brand:** liftmaster
**Price:** HK$5870
**Availability:** ✅ In Stock

## Summary

> 🚪 Secure your space with smart, weatherproof precision!

## Quick Answers

- **What is this?** LMRRUL Retro-Reflective Photo Eye by liftmaster
- **How much does it cost?** HK$5870 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/208020764-lmrrul-retro-reflective-photo-eye)

## Best For

- liftmaster enthusiasts

## Why This Product

- Trusted liftmaster brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long-Range Precision:** Detects up to 50 feet for ultimate safety coverage
- • **Smart Alignment Tech:** LED indicators and increased beam angle guarantee perfect setup every time
- • **Durable, Premium Build:** Stainless steel and polycarbonate hoods protect against harsh environments
- • **Effortless Installation:** Power required only on one side, saving time and complexity
- • **Weatherproof Reliability:** Built-in heater and NEMA 4X rating ensure year-round performance

## Overview

The LiftMaster LMRRUL Retro-Reflective Photo Eye is a UL 325 certified safety sensor designed for garage door entrapment protection. Featuring a long-range sensing distance of up to 50 feet, built-in heater for reliable operation in extreme temperatures, and smart alignment indicators, it offers easy installation with power needed on only one side. Its rugged stainless steel and polycarbonate construction, along with NEMA 4X weather resistance, ensures durable performance in harsh environments.

## Description

LMRRUL Retro-Reflective Photo Eye

## Features

- Long Range Sensing distance up to 50 ft
- Requires power only on one side of the installation.
- Meets UL 325 Safety Standards.
- Increased beam angle for simple, reliable alignment.
- Built-In Heater for dependable performance in most environments.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Chamberlain |
| Part Number | de-door-16h-682 |
| Product Dimensions | 23.6 x 21.59 x 8.2 cm; 1.23 kg |
| Item model number | LMRRUL |
| Style | Simple |
| Material | Polycarbonate, Stainless Steel |
| Item Package Quantity | 1 |
| Measurement Accuracy | High Accuracy |
| Plug profile | Surface Mount |
| Usage | garage door safety, entrapment protection |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 1.23 kg |

## Product Details

- **Brand:** LiftMaster
- **Item dimensions L x W x H:** 23.6 x 21.6 x 8.2 centimetres
- **Material:** Polycarbonate, Stainless Steel
- **Item weight:** 2.71 Pounds
- **Style:** Simple

## Images

![LMRRUL Retro-Reflective Photo Eye - Image 1](https://m.media-amazon.com/images/I/41yUYjA47aL.jpg)

## Questions & Answers

**Q: will this work with liftmaster model SL585101U ?**
A: Yes it will.

**Q: Does it come with phot eye covers and reflect covers or weather protection shielding and mounting hardware?**
A: Steel sensor hood and durable polyethylene reflector hood, 10 ft. wire, brackets and mounting hardware included.

**Q: Is there a way to keep the reflector from collecting few?   The heater is great on one side but the reflector causes a failure every morning.   I have**
A: Mine does exact same thing when we have a heavy frost.  I made a extended hood that goes around reflector . It helps 98% of the time . I plan on creating some type of heat strip eventually. You would think it would have a better design.

**Q: Can one sensor protect both the open and close motion, or are two sensors required?**
A: You will need a sensor on each side of the gate..  one for “open” and one for “closed”.

## Frequently Bought Together

- LiftMaster LMRRUL Retro-Reflective Photo Eye
- Liftmaster KPW5 wireless keypad 5 code Security+ 2.0

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**Shop now:** [https://www.desertcart.hk/products/208020764-lmrrul-retro-reflective-photo-eye](https://www.desertcart.hk/products/208020764-lmrrul-retro-reflective-photo-eye)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-26*