4 Pcs 3 Pin 650nm Red Laser Transmitter Module Dot Diode Copper Head Sensor Module for Laser Sensor Projects auspowers_batchsix APPLICATIONFor building operations such as

APPLICATIONFor building operations such as heat insulation

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5mm jack input

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stone and other craft projects

4 Pcs 3 Pin 650nm Red Laser Transmitter Module Dot Diode Copper Head Sensor Module for Laser Sensor Projects auspowers_batchsix APPLICATIONFor building operations such as4 Pcs 3 Pin 650nm Red Laser Transmitter Module Dot Diode Copper Head Sensor Module for Laser Sensor Projects Features: 100% brand new and high quality. These are great laser modules for laser sensor projects. These modules have 5V working voltage, 5mW power. Small size and light weight, convenient to use. There are total four pieces of modules in one set that you may use for many projects. Specifications: Power: 5mW Laser Wavelength: 650nm Laser