Features: Small volume, measures distance, area and volume accurately, quickly and conveniently. Wide measuring range 40M with a high accuracy up to ±2mm, accurate and efficient. 200mAh large capacity battery /About 3,500 times Switchable among meter (m), inch (in), feet (ft), convenient to read the measuring results. Light to 28g, handheld design makes it portable and lightweight to take for measuring. Large LCD with backlight, help to see the date clearly in low-light conditions. Widely used in interior decoration, indoor design, construction field. Specification: Brand: Duka / Atuman Model: LS-P Type: Laser Range Finder Shell material: Aluminum alloy, ABS Exterior crafts: Fine polishing + matte sandblasting Maximum ranging: 40m Ranging error: ±2mm Battery capacity: 200mAh lithium battery Charging method: 5V Max 0.2A Product Size: 86 x 22 x 11mm Product Weight: 28g Package weight: 0.0470kg Package size: 12.70 x 6.70 x 1.70 cm Package Content: 1 X Duka / Atuman LS-P Laser Range Finder, 1 X Data line, 1 X Lanyard, 1 X User Manual