This is a replacement Dynamite 7.4V 1500mAh Jet Jam Pool Racer 2S Li-Ion Battery, intended for use with the Jet Jam Pool Racer. 

Specifications:
Approximate Assembly Time: No assembly required
Beam: 4.5 in (114.3mm)
Boat Type: Deep-V
Completion Level: Ready-To-Run
Drive System: Jet Drive
Hull Height: 3 in (76.2mm)
Hull Material: Injection Molded ABS
Length: 12 in (304.8mm)
Motor Size: 390 Brushed
Radio: Pro Boat 2.4GHz
Recommended Battery: 1500mAh 7.4 LiIon
Scale: 12 inch
Speed Control: 2 in 1 Brushed ESC/RX
Steering: Jet Drive
Trim Scheme Colors: Orange with 3 Decal Options
Type: RTR Deep V Jet Boat
Weight: 1 lb (0.5kg)