Inter-grating type Rebound Hammer with voice
Features
1. The host (with sensor) and display set using integrated design, easy to operate.(generally, mostly using to separate design in current market)
2. High-resolution LCD color screen 176*220(generally, LCD using non-color and low-resolution screen in market)
3. Large-capacity and rechargeable lithium battery, environmental conservation and energy saving, long service Life. It can be used repeatedly and not need re-investment. (generally using alkaline batteries in market)