Proposal set (transmitter, receiver, amplifier, servo) running battery and rapid charger all in one. Transmitter, receiver. ● 2.4G frequency hopping spectrum diffusion (FHSS). Fail safe (uncontrollable protection) function. 6 channel compatible transmitter and receiver for a variety of operations. Receiver with gyro function to assist in drifting and prevent spin. The gyro sensitivity can be adjusted by transmitting operation. ■Steering Servo ■ Thin (low pro servo) perfect for drift cars, touring cars and buggies. Digital Low Pro Servo, Aluminum middle case (heat sink), Bearing bearings, Metal gear specifications, Speed: 0.11sec/60° (6.0V), Torque: 20.2 lbs (9.2 kg), (6.0V), Dimensions: 16.1 x 8.1 x 1.1 inches (40.5 x 20.3 x 28 mm); Weight: 1 mm); ESC/Speed controller; Neutrual/backward ). Setup functions; With or without backwards; Switch between nickel-metal hydride and lithium battery modes; Equipped with a switch that can be screwed into Tamiya cars; Specifications: Motor Limit: 19T [≦7.2V (6 cells)], 21 T[8.4V (7 cells)] *Can only be used with brush motors; Size: 36x32x19 mm total weight 0.7 mm (219 mm (2 mm total weight 219 mm (219 mm (219 mm without wire). 32.8 g (with wire) Operating voltage: 6V? 8.4 V BEC Current: 2 A. Maximum Current: forward 100 A / backward 60 A. Charger. This rapid charger is ideal for beginners who can charge from household outlets. PSE certified 1. Compatible battery: 7.2-8.4V Ni-MH (Ni-MH) Ni-Cd 2. Built-in advanced peak circuit, automatically stops charging when fully charged. 3. Charging output: 1.2A 1,800 mAh capacity, fully charged in about 90 minutes. 4. Equipped with an LED that allows you to see the charging status at a glance. ■ Running battery ■ Outstanding cost performance. Recommended for beginners. 7.2 V NiMH Battery Size: 1.8 x 5.3 x 0.9 inches (45 x 135 x 24 mm).