Specifications: Power supply: 5V DC, 50mA Lithium battery capacity: 230mAh Laser line: vertical and horizontal (Cross Lines) Laser color: Red laser / Green laser Wavelength: 650nm / 520nm Laser level: Level 2 Laser range: 9.84ft~32.8ft / 3m-10m Leveling accuracy: ±0.2mm/m Size: 1.54 x 1.54 x 1.52 in / 39mm x 39mm x 36mm Features: Mini laser level Bubble design, one-button operation, easy to use, suitable for a variety of scenarios Built-in rechargeable lithium battery Vertical and horizontal 2 cross laser lines Package Including: 1 x Laser Level Reminder: 1. This laser level does not have a self-leveling function. 2. During operation, avoid direct exposure of eyes to the laser beam. 3. For optimal visibility, use in low-light conditions as bright ambient light may reduce laser visibility.