Specifications:<br> Power supply: 5V DC, 50mA<br> Lithium battery capacity: 230mAh<br> Laser line: vertical and horizontal (Cross Lines)<br> Laser color: Red laser / Green laser<br> Wavelength: 650nm / 520nm<br> Laser level: Level 2<br> Laser range: 9.84ft~32.8ft / 3m-10m<br> Leveling accuracy: 4.5nm<br> Size: 1.54 x 1.54 x 1.52 / 39mm x 39mm x 36mm<br> Features:<br> Mini laser level<br> Bubble design, one-button operation, easy to use, suitable for a variety of scenarios.<br> Built-in rechargeable lithium battery<br> Vertical and horizontal 2 cross laser lines<br> Package Including:<br> 1 x Laser Level<br> Reminder:<br> 1. This laser level has no self Levelling function.<br> 2. During operation, please take care not to expose your eyes to the emitted laser beam.<br> 3. It's best to use it in the case of insufficient light, because the strong light will affect the laser