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 WS2811 12mm Diffused Digital RGB LED Pixel Light 5V Individually Addressable Round Bullet LED Pixels Module IP68 Waterproof DC 5V 50pcs/Set for Billboard House Halloween Christmas Decor

ALITOVE WS2811 12mm Diffused Digital RGB LED Pixel Light 5V Individually Addressable Round Bullet LED Pixels Module IP68 Waterproof DC 5V 50pcs/Set for Billboard House Halloween Christmas Decor

Product ID: 23664921

Details

Brand
ALITOVE
Color
RGB (Red Green
Indoor/Outdoor Usage
Outdoor
Light Color
Multicolor
Light Source Type
LED
Occasion
Christmas

🌈16.7M colors, 24-bit RGB

💧IP68 waterproof, outdoor-ready

🔗Individually addressable, chainable

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Description

🌟 Light up your world pixel by pixel — because ordinary lighting is so last decade!

MODULAR FLEXIBLE SETUP - Easily cut, connect, and extend your LED strips with 3-pin JST-SM connectors and power injection points to scale your project without limits.
BUILT TO BRAVE THE ELEMENTS - IP68-rated waterproof design with UV and cold-resistant materials ensures flawless performance rain or shine, indoors or underwater.
TRANSFORM ANY SPACE INSTANTLY - Perfect for billboards, holiday decor, bars, or architectural outlines—make your environment pop with professional-grade RGB illumination.
PLUG PLAY WITH TOP CONTROLLERS - Seamlessly compatible with Arduino, Raspberry Pi, and popular Bluetooth/Wi-Fi controllers for effortless smart lighting integration.
UNLEASH INFINITE COLOR CREATIVITY - Control each LED pixel independently with 256 brightness levels and 16.7 million vibrant colors for truly custom lighting experiences.

The ALITOVE WS2811 12mm Diffused Digital RGB LED Pixel Light set features 50 individually addressable LEDs with 24-bit color depth and 256 brightness levels, delivering 16.7 million colors. Its IP68 waterproof rating and durable silicone housing make it ideal for demanding outdoor and underwater applications. Designed for easy customization, the strip supports cutting and chaining with JST-SM connectors and power injection to maintain color consistency over long runs. Compatible with a wide range of controllers including Arduino and Bluetooth/Wi-Fi devices, this 5V LED module is perfect for professional-grade decorative lighting projects such as billboards, holiday displays, and architectural accents.

Specifications

ASIN	B01AG923GI
Additional Features	Color Changing , Dimmable , Waterproof
Best Sellers Rank	#76,886 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,051 in Outdoor String Lights
Brand	ALITOVE
Brand Name	ALITOVE
Bulb Shape Size	B10
Color	RGB (Red, Green, Blue)
Connectivity Protocol	Corded Connection
Connectivity Technology	Bluetooth, Wi-Fi
Control Method	Touch
Controller Type	Button Control
Customer Reviews	4.6 out of 5 stars 523 Reviews
Form Factor	Bullet
Included Components	1x 50pcs WS2811 LED pixels light
Indoor Outdoor Usage	Outdoor
Indoor/Outdoor Usage	Outdoor
Ingress Protection Code Rating	IP68
Item Dimensions	7.6 x 5.71 x 1.89 inches
Item Length	4 meters
Item Weight	9.07 g
Light Color	Multicolor
Light Source Type	LED
Manufacturer	Shenzhen ALITOVE Electronic Technology Co., Ltd
Manufacturer Part Number	LED PIXEL
Material Type	Plastic
Model Number	WS2811-5V
Number of Items	50
Number of Light Sources	50
Occasion	Christmas
Power Source	DC 5V
Product Style	Modern
Seasons	Christmas
Special Feature	Color Changing , Dimmable , Waterproof
Theme	Outdoor Decorative Lighting
UPC	678425399193
Unit Count	50 Count
Voltage	5 volts_of_direct_current
Water Resistance Level	Waterproof
Wattage	15 watts
Wireless Communication Technology	Bluetooth, Wi-Fi
hanging_pattern_layout	Linear

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€ 31.79

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In stock

Sold byAmazon IrelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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