XINGYHENG 20Pcs Red Laser Dot Head Laser Diode Laser Tube Diode Module Head 650nm 6mm 5V 5mW and 3V 5mW + 20Pcs 5mm GM5539 Photoresistor Photo Light Sensitive Resistor + 20pcs 10K ohm Resistor - XINGYHENG-1035

• Package set: 40pcs laser dot module and photoresistor set. Including 10pcs 5v 5mW, 10pcs 3V 5mW laser dot module, 20pcs 5mm photoresistors GM5539, 20pcs 10K ohm Resistor, . They are placed in a transparent plastic box for easy transportation and identification. Working voltage: Laser dot module head Voltage is 3v and 5v. Just connect the laser to any 3Vor 5V power supply and it will start working, very easy to use, students or novices can also operate.GM5539 Photoresistor: Maximum voltage: 150 Volt DC. Maximum wattage: 100 mW. Spectral peak: 540 nm. Bright resistance (10 Lux). 50-100 Kohm. Operating temperature: - 30 ~ + 70 degree Celsius. Feature: The laser module has a good focusing ability, and can show a clear and bright round red dot even at a long distance. The photoresistor has high light sensitivity, can quickly respond to changes in light intensity. 10K ohm Resistor: Metal Film Resistor: Excellent Noise Suppression, Moisture-Proof, High Temperature Resistance And Long Working Life. A wide range of applications: The Laser diode module and photoresistors can be used for student experiments, level instrument, ground instrument, light control, long distance laser wireless communication, miniature projectors, anti-theft alarms, etc.