HY490

Easy to use
Distance measurements by the touch of a key Max 14m By ultrasonic technology 。
This is a small size convenient measure tap,it is very easy to use with a clip and a strap rope,please press the switch,it is easy to read from the LCD.

Specifications
Frquency:40KHz(Ultrasonic Sending)
Accuracy:±0.5%(in still air)
Resolution:0.01m
Working temperature:0℃~50℃
Weight:about 137g(with battery)
Power supply:6F22 ,9Vx1