Specification (1).Input signal:1.5±0.5ms; (2).Input power:5VDC; (3).Weight:8g; (4).Size:22*22*12.4mm; Products features: (1).used for engine and Electric Helicopters; (2).dual sensibility adjusting model---nose locked model and standard model; (3).be suitable for 4CH transmitter; (4).with a built-in temperature equalizing electrocircuit; (5).to both 6CH and 4CH transmitters,the gain value can be adjusted through crust . (6).used for 3D aerobatic acts.but not suitable for F3C flying action