This is a Heavy Duty Switch Harness for Futaba Radios with J connectors. It is intended for use in giant scale models with large numbers of servos, especially those with high current draw (torque/speed/digital). The switch harness connects the receiver battery to the receiver by way of an ON/OFF switch. It also allows you to charge the receiver battery without removing it from the model. FEATURES: High Current Capacity 20AWG wire (normal is 24AWG) Large Physical size and Connections for High Drain Uses INCLUDES: One Switch Harness w/ J Connectors and Charge Cord. SPECS: Switch- Length: 1.5" Width: .5" Height: .75" Weight: 15 grams Battery Lead has a female Futaba J connector with a 6" lead Charger Lead: has a female Futaba J connector with a 6" lead Receiver Lead: has a male Futaba J connector with a 6" lead 7/6/01 AMC ir/jl updt jxs 4/23/04 updated jpg 7/2/12