Any question, we will offer free replacement first year.

Specifications:
Dimensions:Approx:135.5mm(W)*41.0mm(H)*70.7mm(D)
Mass(weight):Approx.319g/0.703lb(with the battery)
Approx.245g/0.540lb(Only Battery grip)
Operating temperature:-10°C to 40°C
Dust-Proof and Splash-proof:Yes
Power Source:DC8.4V

Warm Tips:
Note:Battery is Not included
Note:Do not remove the battery when the battery in the grip is being used(Power of the Digital Camera will be turned off).

Package Includes:
1 x Battery Grip
1 x User Manual