4Pcs XXD 30A Brushless ESC Electronic Speed Controller+Servo Tester for RC BEC ESC T-rex 450 V2 Helicopter Boat 2212 Motor

XXD 30A Brushless ESC Electronic Speed Controller
BEC Power: Yes
Cut Off Voltage: 4V
BEC: Yes
BEC Power: 1.5A/5V
Reset: Throttle Lowest Con.
Current: 30A

Features:
Safe power arming program ensures motor will not run accidentally after turn on.
Low voltage auto setting based on battery.
Auto motor cutoff with reset.

3CH Digital Multi Servo Tester ECS RC Consistency CCMP Master Speed Controler Checker

Output: ≤15mA (5.0)
Input: DC 4.2-6.0v
Output signal: 1.5ms ± 0.5ms
Size: 46 * 32 * 17MM
Weight: 8g
Adjustment modes: manual, automatic, and the median.
Features: can be easily detected and set the dummy bit server, jitter and median.
Can be connected to two servos or ESC; MCU control, good stability, high accuracy. Turn the knob, steering can be detected.
If you connect the electronic governor (brush or brushless available), you can get rid of the remote control device for manual control, for testing tone
Speed ​​or motor performance is very practical, no longer cumbersome connecting the remote control and the receiver. It is equivalent to a "hand
Dynamic Receiver "feature, playing rudder knob analog transmitters

Packing Content:
4 x 30A Speed Controller ESC
1 X Servo Tester