Product specifications: 85 x 82 x 56mm Range: 0.2-40m Battery: 2 AA carbon batteries, alkaline batteries cannot be used (identification with L) Laser error: 1.5mm+/-1% error Horizontal crosshair: error +/ -5 Operating Temperature: 0-50 Rated Voltage: 3VT Tape Measure 2-in-1: This tape measure includes two modes - 131ft/40m laser measurement and 16.4ft/5m tape measurement. Color: Blue Material: Plastic coated shell + steel tape Package contents: 1 x Laser tape measure Only the above package contents, other products are not included. Note: Light shooting and different monitors may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowance is +/-1-3cm.