RadioMaster ER4 ExpressLRS PWM Receiver ELRS 2.4GHz Type_Wire Warning: This drone has been

Warning: This drone has been carefully crafted using only newbeedrone parts

Battery: 450mAh 4S battery(Not including)

Built-in buzzer to remind

See manual here

VTX mounting holes: 20mm*20mm/25

RadioMaster ER4 ExpressLRS PWM Receiver ELRS 2.4GHz Type_Wire Warning: This drone has beenRadioMaster ER4 ExpressLRS PWM Receiver ELRS 2. 4GHz The RadioMaster ER series of PWM receivers are based on the revolutionary ExpressLRS system. It offers high performance, high reliability, flexible configuration, fast response speed and ultra long range bringing you brand new experience with your hobby. The ER4 PWM receiver can drive 4 servos simultaneously. Designed with a very small volume, it is suitable for small aircraft models, ship models,