JMT 1pack of 4Pairs 1245 3K Carbon Fiber Propellers CW CCW 12x4.5 CF Props for DJI Motor Model Drone Spare Parts 12inch Brand_Jumper Arm thickness: 3

Arm thickness: 3

automatic opening and crosing curtains

the receiver saves that unique ID and can accepts only data from the unique transmitter

current protection

Servo: analog Servo

JMT 1pack of 4Pairs 1245 3K Carbon Fiber Propellers CW CCW 12x4.5 CF Props for DJI Motor Model Drone Spare Parts 12inch Brand_Jumper Arm thickness: 3Just for DJI motor, not for any other using. Adopts the high quality 100% 3K all carbon fiber board which imported from Japan improve material. Each pair of propellers has perfect dynamic poise and static balancing which balance by manpower. Especially improves the air powered efficiency and aerofoil stability. Carbon fiber forward propeller 1245*4 Carbon fiber reverse propeller 1245*4