Technical DeteailsBrand: DukaBefore Order Pls Note:It is Xiaomi ecological chain products[There is no any Xiaomi LOGO on it]Thanks for your understanding! :-) Note: We will randomly send you the -1 or -2 model of the rangefinder-1. The functions of these two models are the same and there is no difference. Please understand when purchasing! Specification: Brand DUKA (Xiaomi Youpin) 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 Size 86 x 22 x 11mm Weight 28g 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. Package included: 1 x LS-P distance meter 1 x Data line 1 x Lanyard 1 x Instruction manual 1 x Certificate