1. 200mW Blue Laser Pointer Pen 2. Momentary push button switch 3. Laser Wave Length: 405nm 200mW Blue Laser Pointer PenDescription: 1) Battery: 3.7V 2800mA 2) Output Mode: constant Wave 3) Laser Wave Length: 405nm 4) Output power: 200mW Max 5) Turn the key to change the light intensityType of Packing: Color Box Package Includes: Lanyard 200mW Blue Laser Pointer Pen
