ITEM NAME:3CH Servo Motor Tester Steering Engine Tester ECS CCMP Consistency Master Description: Simple CCPM Servo Consistency Master / Servo tester Controller for RC Aircraft Model It can use the electric speed controller (ESC) as a signal generator, you can test your motor system without using a transmitter and receiver Convenient to test and set the virtual bit, jitter and median of the server Single - chip computer control, good stability, high accuracy Simultaneously Test 3 steering gear Specification: Product specification: Output: ≠¤15mA (5.0) Input: Voltage DC 4.5-6.0V Output signal: 1.5ms  ± 0.5ms Weight: 8g Adjustment method: manual; automatic; median Material: Metal, Plastic Size Chart: Size: Approx. 46x32x17mm / 1.81x1.26x0.67inch Package Includes: 1 Piece ESC Tester Note: Due to the manual measurement, please allow 1-2mm differences in size Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand SKU: FUZ0029198261019436.1 Piece ESC Tester. Simultaneously Test 3 steering gear. Product specification Size Chart Size: Approx. Output: ≠¤15mA (5.0).