Colour: Red Laser Pointer Function: For Office & Teaching Output Range: 0.5mw-30mw Output: 0.5m W Wave Length Range: 635nm-670nm Wave Length: 650nm Shape: Keychain Shaped
Material: Aluminum Alloy Power Supply: 3 x AG3 Button Cells Operation Voltage (V): 4.5 Working Temperature (degree): 15℃~30℃ Dimension (mm): 54 x 9 x 9 Shipping Weight (Kg):