Light reception distance (m): 3 to 25 Light reception accuracy: Within ±1.5mm from the center of the laser line Length (mm): 155 Width (mm): 73 Thickness (mm): 30 Compatible models: Green Laser LA-S802DG, LA-S501DG, LA-501DG Measurement range (M):3至25 电源:4 X AA碱性电池(随附) 保护等级:IP54等效 电源(V):4 x AA碱性电池(包括)