ZN421E

Input: 
DC 5V 2000mA Micro USB                               
Output:
DC 1.2V  500mA*4
Compatibility: 
1. 1.2V AA/AAA Ni-Cd, Ni-MH batteries.
2. LED indicator, led is red flashing when charging, it will stay long red after fully charged 
3. Single channel control
4. Short-circuit, Reverse protection, Non-rechargeable battery detection

Dimensions: 

92mm(L)×66mm(W)×30.2mm(H) 

Weight: 

65g