Features:
• Precision pulse generator to test servos: You can test any brands of servo by movement, deflections, neutral point and band width. It does not need battery to operate servo. It shows the electric current to operate the servo simultaneously. This feature is very helpful to choose an appropriate RX battery for your model by adding all current load of servos.
• Propeller tachometer: Precision optical tachometer up to 6 blades and 34000RPM. Up to 10 incidental RPM can be stored to the memory.
• Rotor blade tachometer: Precision tachometer up to 4000RPM. Rotating-drum type slit syncronize system. Up to 10 incidental RPM can be stored to the memory.
• Temperature sensor: Solid-state temperature sensor by contacting the material being checked.
• Automatic power off and back-light off: To prevent from wasting the energy, the power will go off when there is no action for 10 minutes.

Specs:
• Servo tester: ATV 10 ~ 100%, manual/auto drive, 900 ~ 1500 ~ 2100us
• Prop RPM tachometer: Up to 34000 RPM, 1 to 6 blades, 10 data memories
• Rotor blade tachometer: 800 ~ 4000RPM, 10 data memories
• Temperature sensor: 0 to 120 degree Celsius
• On-board battery: NiMH 4.8V, 800mAh
• Weight: 210 g
• Dimension: 80 x 113 x 28 mm