The shortest built-in battery product 14cm
Technical parameters:
Hand weight: 260g
Battery capacity: 750mAh
Maximum open hand distance: 110mm
Opening and closing speed: 130mm
Grip force: maximum 60N
Power supply: 7.4V
Advantage:  
 Resistant to corrosion and abrasion
Extremely strong anti-interference ability               
Simple and convenient operating system.
Low noise
Light weight
Strong load-bearing capacity