3 in 1 Laser Rangefinder40m/60m Features: (A)* Multifunctional smart tape measure: laser ranging/laser cro/self-locking tape measure * Five tips per hand: 5m tape measure/40/60m laser rangefinder/laser cro. * Measuring method: measure short distance with tape measure, measure long distance with laser, measure cro with laser cro. * Precise laser components: laser ranging, error 2mm, digital display can be accurate to 0.001m, subtle distance changes and accurate perception. * Plastic protective soft shell: with high elasticity, toughne and slip resistance. * Automatic locking of the ruler belt: The ruler belt will be automatically locked after being pulled out to prevent accidental finger injury, and it will automatically spring back when the unlock button is preed. * 20 sets of data storage, important data is not lost, easy to read. * Regarding the positive and negative correction of the ruler hook: the ruler hook is designed for subtraction compensation, and it is not a quality problem, please use it with confidence. Specification: Name: 3 IN 1 Laser Rangefinder Material: ABS + manganese steel wire belt Range: 0.2-40mRange: 0.2-60m Measurement accuracy: 2mm Measurement unit: m/in/ft Laser type: 635nm1mW Auto-off laser time: 30 seconds Automatic shutdown time: 180 seconds Data storage: 20 groups Laser range: 40m 60m Tape measuring range: 0-5m Minimum scale of tape measure: 1mm Measuring tape width: 19mm Tape measure unit: metric inch Tape measure tape material: 65 manganese steel Battery Type: 2*1.5V AAA batteries Scope of application: single measurement, continuous measurement, area measurement, volume measurement, hook measurement, decoration design, furniture placement, door and window measurement, engineering support Working temperature: 0-40 degrees Celsius Size: 85*82*56mm Color: yellow Packing included: 1 x3 IN 1 Laser Rangefinder 1 x Chinese and English manual2 in 1 Laser Rangefinder40m/60m Features: (B) Features: * High-quality laser module, high-sensitivity focusing lens, low power consumption, long life. * Environmental protection and TPR-coated shell design, convenient side beams, tough and wear-resistant, dust-proof design, compact and portable. * Front and rear benchmarks can be switched to meet different measurement needs by switching different measurement benchmarks. * High-precision coated manganese steel ruler tape, and the tape is equipped with a self-locking device, automatically locks the current measurement position after the tape is pulled out, and automatically rebounds the tape when it is preed to unlock. * Built-in rechargeable lithium battery, the battery lasts for a long time and has a long lifespan. Specification: Name: 2 IN 1 Laser Rangefinder Range: 0.2-40m Accuracy: 2mm Measurement unit: m/in/ft Laser type: 620-670nm1mW Automatic laser off time: 30 seconds Automatic shutdown time (no operation): 120 seconds Area measurement: support Volume measurement: support Power display: support Measurement benchmark switching: support Battery: lithium polymer battery Working temperature: 0-40 Storage temperature: -10~45 Size: 75*70*50mm Tape range: 0-5m The minimum scale of the tape measure: 1mm Tape width: 19mm Tape unit: metric and imperial Tape tape material: 65 manganese steel Packing included: 1 * 2 IN 1 Laser Rangefinder Note: 1. Due to manual measurements and slight color variations, please allow 1-3 cm (0.4-1.18 inches) difference to suit different display settings. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.