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Introduction:This module is a nice little relay switch controlled by a spare auxiliary channel on your receiver. Ideal for switching lights, sound, and any other auxiliary electrical items. When PWM duty is more than 1500us, the switch will turn on; when PWM duty is less than 1400us, the switch w..

Servo Tester / ESC Single chip microcomputer kernel, accurate output, for RC Models Features:Input Voltage 3-8V, can use high voltage steering gear (2S lithium) (5V steering gear do not use 2S power supply) Power indicator light (light can pass through the housing) Electrical ..