Sanwa RX-371W Waterproof 3-Channel 2.4GHz FHSS-2 Receiver. The RX-371W is a small, lightweight receiver that is compatible with all Sanwa 2.4GHz FHSS-2 frequency modulation surface transmitters. This receiver is waterproof and works equally well in cars, trucks and boats, and is a great option if you don't need more than three channels. The receiver has a nominal input voltage up to 7.4 volts, so you can power the receiver with a 2S LiPo battery and use high-voltage servos.

Features:

• 3-Channel Full-Range 2.4GHz FHSS-2 Frequency Modulation
• Waterproof Design
• Works Equally Well in Cars, Trucks and Boats
• Compatible with all Airtronics 2.4GHz FHSS-2 Capable Surface Transmitters
• Nominal Input Voltage Up to 7.4 Volts - Use with 2S LiPo and High-Voltage Servos
• Easy One-Touch Binding
• Bind Status LED
• Small and Lightweight

Specifications:
Nominal Input Voltage: 4.8v ~ 7.4v
Weight: 0.25oz (7.1gr)
Dimensions: 1.18x1.04x0.57" (30.0x26.5x14.5mm)
Frequency: 2.4GHz FHSS-2
Fail Safe Support: Yes (Throttle)