Pocket Size Laser Level Red Green Cross-Line Horizontal Vertical Super Mini Portable Rechargeable Laser Level New Upgraded Mini Laser Level Overview: Red/Green Super mini Laser Level, product size 39*39*36mm / 1.5*1.5*1.4inch, weight 45g / 0.1lb Bubble level design make positioning more accurate One-button operation, easy to use, suitable for indoor Built-in replaceable rechargeable lithium battery Vertical and horizontal 2 red/green cross laser lines, max up to 10m/20m. Specification: Power supply: 5V DC, 50mA Lithium battery: 14250 280mAh/ 3.7V(replaceable) Laser lines: Vertical and horizontal(cross) Wavelength: 650nm/520nm Laser class: Class 2 Laser range: Up to 10m/20m Leveling accuracy: +-5nm Dimensions: 39x38.8x36mm Weight: 45g Built-in bubble level Magnet for fixation Note: While in operation, be careful not to expose your eyes to the emitting laser beam. It's best done in low light situations as laser would be effected by strong sunlight. Package included: 1 * Laser level 1 * USB Cable 1 * User Manual