Using Bluetooth you can program your timer without wires.Options to configure:* DT time* Motor time* Ramp up time [1] * Max RPM* Start RPM [2]* Stab pop delay [3]* Servo rotation[1] Ramp up time: the time you should wait since the motor starts, to when you are allowed to launch. This is a safety feature that allows to stop the motor immediately, in case of unwanted button press.[2] Start RPM: The RPM of the motor while you hold it before launch.[3] Stab pop delay: The time it takes the stabilizer to pop, after a RECO (Remote motor Cut Off). In case youll send an RDT command, it will pop earlier.