Adopts forging process and double-piston calipers; Hinge structure for easy installation; High-quality electronic switches are used; Fully sealed waterproof and dust-proof structure.
Kelly 
| Length | 3 Fingers width |
| Size | Upper Pump L 193mm W 120mm H 35mm Lower Pump L 86mm W 45.6mm H 37.1mm |
| Weight | Upper pump 157g; lower pump 132g |
| Waterproof | IPX6 |
| Material | Caliper/lever: Forged aluminum , bracket: Cast aluminum |
| Wiring | 2 Pins |
| Current | 1A[MAX] |
| Operating Temperature | -20℃～60℃ |
| Stretching Resistance | ≥450N |
| Durability | 100,000 mating cycle |
