Wishiot 4 Cell AA Battery Holder Case with JR Connector 2P Black Red Wire + 3CH Digital Servo Tester ESC Speed Controller Checke

6V 4 Cell AA Battery Holder Case with JR Connector 2Pin Black Red Wire Leads Description: This battery holder case is for 4pcs AA batteries, batteries not included, you need prepare it yourself. Voltage: 6V Connector: JR type It is perfect to supply the power for the RC models and servo tester. Attention: When you plug the battery holder to the servo tester, it should connect to ''IN'' interface, not the ''OUT'' port. 3CH Multi Digital Servo Tester ESC Speed Controller Checker Adjustable CCPM Servo Consistency Master for Helicopter Car Boat Robotic Servo Description: 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 Note: This tester can test more than 55 grams of servos Package included: 1 X 4 Cell AA Battery Holder Case with JR Connector 2P Black Red Wire 1 X 3CH Digital Servo Tester