1、High Accuracy Measurement: 2 In 1 laser tape measure accurately measures distances with a accuracy of up to ±2mm, meeting various measurement needs. 2、Versatile Functions: Choose different measurement units, including meters, feet, and inches, to easily accommodate different user habits and requirements. 3、Sound Prompt Function: Laser tape measure provides audio prompts upon measurement completion, enabling users to quickly obtain measurement results. 4、Long Battery Life: Powered by dry batteries, capable of up to 8000 measurements per battery change, eliminating the need for frequent replacement during long term use. 5、Portable and Lightweight: Handheld design for easy carrying and operation, suitable for indoor and outdoor use in various scenarios. Item Type: 2 In 1 Laser Tape Measure Material: ABS Weight: Approx. 393.00g / 13.86oz Measurement Accuracy: ±2mm Measurement Units: m, in, ft Sound Indicator: Yes Laser Type: Class 2 630-670nm <1mW Auto Power Off: 20s Automatic Shutdown: 150s Battery Life: 8000 times Measurements (Per Single Measurement) Storage Temperature: -20°C-60°C Operating Temperature: 0°C-40°C Storage Humidity: 20%-80%RH Power Source: 2 x AAA Batteries (Not Included) 1 x 2 In 1 Laser Tape Measure 1 x Instruction Manual 1 x Screwdriver