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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ALITOVE 500pcs WS2811 Individually Addressable RGB LED Pixels Light 12mm Round Diffused Color Changing Bullet Pixel Light Outdoor DC 12V IP68 Waterproof for Billboard House Halloween Christmas Decor

Product ID: 105037323

Details

Colour
Rgb (Red Green
Brand
ALITOVE
Indoor/Outdoor usage
Indoor Outdoor
Special feature
Colour
Light source type
LED
Power source
Corded

🌈16.7M colors

💧IP68 waterproof

🔗Modular & cuttable

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Description

🌟 Light up your world with infinite color and unstoppable style!

SEAMLESS SCALABILITY - Easily connect multiple strips with 3-pin JST-SM connectors and cut pixels to fit any project size — perfect for creative pros and DIYers alike.
BUILT FOR THE ELEMENTS - IP68-rated waterproof design with UV and cold-resistant wiring ensures flawless outdoor and underwater performance, rain or shine.
LIMITLESS COLOR CONTROL - Individually addressable WS2811 LEDs deliver 16.7 million vibrant hues with 256 brightness levels for truly custom lighting.
UNIVERSAL COMPATIBILITY - Works effortlessly with Arduino, Raspberry Pi, and a wide range of Bluetooth, WiFi, and RF controllers for ultimate programming freedom.
VERSATILE AMBIANCE MAKER - Ideal for billboards, architectural outlines, holiday décor, bars, and more — elevate your space with dynamic, eye-catching illumination.

The ALITOVE WS2811 LED pixel string features 500 individually addressable RGB LEDs with 24-bit color and 256 brightness levels, housed in a rugged IP68 waterproof casing. Designed for professional-grade outdoor and underwater use, it supports modular extension and precise cutting for custom installations. Compatible with popular controllers like Arduino and Bluetooth devices, this 12V lighting solution is perfect for dynamic commercial and festive décor projects.

Specifications

Manufacturer	Shenzhen ALITOVE Electronic Technology Co., Ltd
Brand	ALITOVE
Model	WS2811-12V
Product Dimensions	3999.99 x 10 x 5 cm; 2.8 kg
Batteries	30 A batteries required.
Item model number	WS2811-12V
Manufacturer part number	AL281112VR500
Bulb type	LED
Special Features	Colour Changing
Voltage	12 Volts (DC)
Wattage	300 watts
Item Weight	2.8 kg

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68705 kr

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