Digital Level Meter, Packaging Type : red, yellow

Range 90degresss 0~360degrees Operating Temp Range 0~+50 Operating humidity 90% Display Resolution 0.1 Measure precision:0 90 180 270degrees ±0.1 others ±0.2 Temperature drift ±0.2 Response Time 500ms Voice hint at required angle 0-90degrees Power Supply 9V Battery Operating Current On working condition , 10mA (excluding power consumed by laser) On dormant condition 5uA.