The performance indicators of the laser rangefinder are as follows: a) Distance range: 5m-1500m (target: large target, visibility: 15km. Target reflection coefficient: 0.3); b) Distance accuracy: 1m; c) Distance frequency: 1Hz, 2Hz; d) Laser wavelength: 905nm5nm. Environmental adaptability a) Working temperature: -20~+60; b) Storage temperature: -30~+60. Power supply a) Power supply voltage: 3V~5V; b) Power consumption 2W. Physical characteristics Weight: 10g0.5g Dimensions: 25.8mmx24.6mmx12.8mm(LxWxH), Colour: Material:plastic Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * Laser Rangefinder Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.