Manual Adjustment: This controller features a 6-channel PWM digital servo interface, employing high- potentiometers for precise servo control and providing a servo reset function. Specifications: 76mm x 53mm (2.99 inches x 2.09 inches); Weight: 37 grams (1.31 ounces) Power Supply: This controller can be powered by a lithium battery or power adapter, operating within a voltage range of 5-8.4V. PWM Servo Support: Supports various PWM servos, allowing for manual angle adjustment without programming. Controller Accuracy: Control accuracy up to 0.09° (minimum variation achieved with a 1µs PWM pulse limit)., Weight: 0.1763698096 Pounds, Manufacturer: Aboiled