This is the Kyosho Syncro KR-200 2.4GHz Receiver. The KR-200 is a 4-channel receiver giving you plenty of options for setup. The compact design of the receiver allows plenty of space for installation in tight spaces.
Channels: 4 channel
Receiver Size (LxWxH): 36x26x14mm
Receiver Weight: 10g
Receiver Voltage: 4.8v-6.0v