whats the rate each led can be updated? (how many times per second)

Each LED requires three bytes of data for green, red, and blue - 24 bits total. As each bit is specified as being 1.25us, writing one LED requires 30us. The LEDs are accessed sequentially, so writing to 50 LEDs will take 1.50ms. The data timing may vary from one controller to another; these timing specs are from the WS2812B datasheet.

Is it better with 5v or 12v wiring system?

12v is the best. Especially if you will need to run wire from your controller to your lights and if you plan to control more than 50 bulbs from one “channel” on your controller. With the 5v you will have to use power injection if you connect strands together and you can’t run very long extension cables.

How do you cut these shorter? I'm wanting to cut it in half for a project I'm doing, but don't want to set anything on fire.

Simply use a wire cutters (side cutters, or whatever you want to call it). No, you won't set anything on fire, but as a good safety practice, make sure they aren't plugged in (powered) when you cut the wires. If you need to space them out, you can cut the wires and solder on longer wires between the bulbs. These are very easy to work with, and very satisfying. :-) Good luck, and please tell us about your project!

How long is the string?

The distance between the leds is 4.5 inches X 50 leds = 225 inches from first to last led, plus a little extra for connecting to the power supply and the last led extra cable to connect several strings together.

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描述

🌟 Light up your brand with precision and waterproof brilliance!

SEAMLESS SCALABILITY - Easily link multiple strands with reliable 3-pin JST SM connectors to create expansive, jaw-dropping LED walls.
PIXEL PERFECT CONTROL - Each LED is individually programmable for infinite color and animation possibilities, making your display truly one-of-a-kind.
CUT TO FIT FLEXIBILITY - Customize your setup by cutting pixels to size without losing functionality—perfect for tailored, professional signage.
PLUG PLAY COMPATIBILITY - Works effortlessly with Arduino, Raspberry Pi, and popular Bluetooth/WiFi controllers for ultimate creative freedom.
BUILT TO BRAVE THE ELEMENTS - IP68-rated waterproof sealing means your installation shines rain or shine—even underwater, no worries.

The ALITOVE WS2811 is a 50-piece set of individually addressable RGB LED pixels designed for dynamic, customizable outdoor advertising and decorative lighting. Featuring IP68 waterproof silicone sealing, 5V power, and modular 3-pin JST SM connectors, it supports seamless expansion and precise control via popular microcontrollers and wireless controllers. Ideal for professional LED walls, signage, and immersive event lighting.

规格

Brand	ALITOVE
Manufacturer	Shenzhen ALITOVE Electronic Technology Co., Ltd
Product Dimensions	19.3 x 14.5 x 4.8 cm; 9.07 g
Item model number	WS2811-5V
Part Number	LED PIXEL
Number of Items	50
Style	Modern
Colour	Red, Green, Blue
Shape	LED Strip
Material	Plastic
Number of Lights	50
Included Components	1 x 50 LEDs WS2811 LED pixel fairy lights
Voltage	5 Volts (DC)
Special features	Color Changing , Dimmable , Waterproof
Shade Material	Plastic
Light Direction	Adjustable
Plug Format	3 Pin JST SM connector
Power and Plug Description:	DC Power Supply
Batteries included?	No
Batteries Required?	No
Type of Bulb	LED
Wattage	15 watts
Item Weight	9.07 g
Guaranteed software updates until	unknown