Specifications:Power supply: 5V DC, 50mALithium battery capacity: 230mAhLaser line: vertical and horizontal (Cross Lines)Laser color: Red laser / Green laserWavelength: 650nm / 520nmLaser level: Level 2Laser range: 9.84ft~32.8ft / 3m-10mLeveling accuracy: ±4.5nmSize: 1.54" x 1.54" x 1.52" / 39mm x 39mm x 36mmFeatures:Mini laser levelBubble design, one-button operation, easy to use, suitable for a variety of scenarios.Built-in rechargeable lithium batteryVertical and horizontal 2 cross laser linesPackage Including:1 x Laser LevelReminder:1. This laser level has no self Levelling function.2. During operation, please take care not to expose your eyes to the emitted laser beam.3. It's best to use it in the case of insufficient light, because the strong light will affect the laserNote:1. Please allow 1-3mm error due to manual measurement. please make sure you do not mind before you bid.2. Due to lighting effects, monitor's brightness contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item!