Specifications:
• Frequency 2.4GHz FH4T Selectable Via Transmitter
• Nominal Input Voltage 4.8 to 7.4 Volts (4-6C NiCD/MH, 2S LiFe or 2S LiPo)
• Weight 0.25oz (7.1g)
• Dimensions 0.71 × 0.96 × 1.06in (18.2 × 24.4 × 27.1mm)
• Battery Fail Safe Limit 3.5 to 7.4 Volts (FH4T)