Laser modules for positioning 5mW 650nm Laser Module Color Red Laser For laser positioning, medical equipment, electronic enthusiasts Model: LD-G650A Output: Dot, Line or Cross red laser(650nm) Size: Φ12.0x35mm Cord length: about 135mm Weight: 13.5g Voltage: 3.0V-5V Current: 40mA (max) Driver: APC c...