Simple 4CH radio transmitter and receiver kit designed for handmade RC vehicles toys projects
4 channel output can control 2pcs motor rotation movement direction at the same time
Working Voltage: DC 3-4.5V(transmitter) 4.5-6V(receiver), Communication Distance: 10meter/33ft, Size: 5.8*3.5cm (transmission board);5*3.65cm (receive board)
Ship it out by USPS with tracking information and 7-17 days delivery time usually