High quality MiNi mouse type 2 Line laser level, multi functional laser level laser lines ON/OFF swith Level vials Fastening Pin Suspension device Battery compartment 5/8inch screw Type:Laser level meter Laser wave length: 625~670 nm Max power output: 5mW Power: 2x AAA batteries (not included) Shape: Mouse Laser safety: A laser device is not a toy and must not be allowed to fall into the hands of children. Misuse of the device can result in permanent eye damage. Any correction measures that are aimed at increasing the laser power are forbidden. No liability is accepted for damage that result from non-adherence to the safety instructions. If laser device is not to be used for longer thatn three months,please remove the batteries to avoid the damage from the battery leakage. The laser device does not contain any customer service components. Please do not open the housing. Material: Plastic Color: Red Package Contents: 1 * laser level (Not including 2 x AAA batteries) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.