SJ4000 WiFi 1.5" Screen 1080P Waterproof Sport DV + 3.7V 900mAh Li-on Battery

SJ4000 WiFi 1.5" Screen 1080P Waterproof Sport DV + 3.7V 900mAh Li-on Battery 
SJ4000 WiFi Sport DV:

Waterproof, it can work under water 30mm
WiFi function, the user can operations or review via smart phone or Ipad
1080P FHD video recording, 1080P/30fps, 720P/30fps
1.5" TFT LCD display
Detachable battery, 3.7V 900mAh
170°wide angle
HDMI out
Micro SD card, max 32GB
G-sensor, cyclic record, motion detect, face detect.
Net weight: 60 g / 2.12 oz
Size: 60 x 30 x 41 mm / 2.36 x 1.18 x 1.61 inch
900mAh Battery:

Backup li-on battery for SJ4000-EVC-284694  & SJ6000-ECM-340984 sport DV
Exactly the same as original SJ4000 battery
Net weight: 17 g / 0.6 oz
Size: 33 x 29 x 11 mm / 1.3 x 1.14 x 0.43 inch
http://www.tinydeal.com/sj4000-wifi-15-screen-1080p-sport-dv-37v-900mah-battery-p-145919.html