Specifications: Name: Laser Level Main material: plastics+metal Battery: 2 * rechargeable battery, 3.7V, 2400mAh(included, you will find there are two 18650 batteries inside if disassemble one) Laser ray: 3D, 12 lines Laser wavelength: green light 515nm Range: 7-10m Laser lines accuracy: 1.5mm/7m Self-levelling-range: 3 Working temperature: -20 to 40 Tripod stand interface: 5/8" Item size: Level machine: 135 * 96 * 140mm / 5.31 * 3.78 * 5.51in Stand size: 93 * 85 * 77mm / 3.66 * 3.35 * 3.03in Platform size: 101 * 90 * 25mm / 3.98 * 3.54 * 0.98in Wall mounted bracket size: 160 * 65 * 87mm / 6.30 * 2.56 * 3.43in Tripod stand size: 560 * 105 * 90mm / 22.05 * 4.13 * 3.54in Package size: 440 * 215 * 255mm / 17.32 * 8.46 * 10.04in Package weight: 2542g / 5.60lb Packing List: 1 * Level Machine 1 * Wall Mounted Bracket 1 * Base Stand 1 * Remote Control 1 * Iron Board 1 * Platform 1 * Power Adapter 1 * Level Machine Carrying Bag 1 * Guideline 1 * Tripod Stand 1 * Tripod Stand Carrying Bag