Optimized Performance: Designed specifically for aeromodelling enthusiasts, this RC relay switch supports a wide voltage range from 5-12V, ensuring compatibility with various model vehicles and aircraft. Advanced PWM Control: Equipped with PWM (Pulse Width Modulation) technology, this switch allows for precise control over the lighting and other electronic components, enhancing the functionality and efficiency of your models. Universal Compatibility: This versatile switch can be used across a broad range of RC cars and aircraft, making it a must-have accessory for all hobbyists looking to upgrade their aeromodelling setups. Specifications: B Blackboard high voltage version: 5.2V-12V A Green low voltage version: 3.3V-5.2V Colour:As Shown Material:PCB Due to different batches, there may be differences in product appearance and printed text, which will not affect use<br><br>Package Contents: 1 * Relay module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.