Features:_x000D_3-In-1 Tool: Combining a laser measure, tape measure, and cross-line laser leveler, this tool will be your secret-tool on any project. Expertly take long-distance measurements, get precise tape measurements, and never double-check if lines are straight again. _x000D_One-key ranging, high-definition digital display: laser ranging, error 2mm._x000D_Coated manganese steel tape: two scales inch scale, metrics scale._x000D_Self-locking device of ruler belt,automatically lock the current measurement position after the ruler belt is pulled out, and press the unlock button to automatically,which is safe and does not hurt hands._x000D_Effortless-Precision: Imagine effortlessly measuring high ceilings and hard-to-reach areas with just the touch of a button. The 3 in 1 Infrared Laser Tape Ruler makes it a realitys, bringing eases to your measurements._x000D_Notice:_x000D_Actual color may be slightly different from the image due to different display and light effect._x000D_Please allow 1-3cm deviation due to manual measurement._x000D_Description:_x000D_Material: coated manganese steel_x000D_Battery: 2 * 1.5V AAA battery_x000D_Laser measuring ranges: 40m_x000D_Laser type: 635nm1mW_x000D_Automatic laser shutdown time: 30 seconds_x000D_Automatic shutdown time: 180 seconds_x000D_Data store: 20 groups_x000D_Tape measure working ranges: 0-5m_x000D_Minimum scale: 1mm_x000D_Tape width: 19mm_x000D_Ruler belt material: 65 manganese steel_x000D_Working temperature: 0-40C_x000D_Store temperature: -10C to 50C_x000D__x000D_Package List:_x000D_1x 3 in 1 Digital Lasers Tape Measure _x000D__x000D_