The Futaba R404SBS-E F-4G T-FHSS 4-Channel 2.4Ghz Telemetry Receiver is a High Speed Response System for indoor surface models.

NOTE: 

SR mode servos must be used when using SR mode. Use of normal servos may cause servo glitching. 

Never use the R404SBS-E in gas or nitro powered models.

Specifications:

Size: 25.5×20.7×10.6 mm

Weight: 5.7 g

Operating Voltage: DC 3.7V-7.4V