Features:
1) PVC jacket, with metal top and bottom
2) Mercury, cadmium and lead free
3) Aluminum jacket and metal jacket available
4) Perfect leakage proof
5) OEM available

Inner packing:  
60pcs/inner box 

Outer packing:
2,400pcs/master carton

Duration:
1) 5.1 ohms, 4min/h, 8h/d, 0.9V: 100.6min
2) 10 ohms,1h/d, 0.9V: 3.21h
3) 75 ohms, 4h/d, 0.9V: 27.6h
4) 24 ohms, 15s/min, 8h/d, 1.0V: 8.35h
5) 3.6 ohms, 15s/min, 24h/d, 0.9V: 221 times
6) 3.9 ohms, 24h/d, 0.9V: 38min