This 30A high power relay module offers reliable wireless control over your home or office equipment including fans, lights, pumps, and more. Equipped with a 433Mhz frequency, this module ensures robust signal penetration through walls and doors with a substantial control distance up to 1000 meters. perfect for electrical setups requiring safe and long-distance operation. High Power Capacity: Operates with 30A for high power applications up to 250V. Ensures safe operation even with high wattage devices. Wide Control Range: Up to 1000 meters in open space, giving you extensive control across your property or workplace. Multiple Control Options: Features three DIY modes for customization - Momentary, Toggle, and Latched. Versatile Application: Perfect for home, farm, office, and industrial use. Compatibility:for flexible usage scenarios. Easy configuration for immediate use right out of . for setting up control modes to suit your preferences for all connected devices. Working voltage:AC85V-250V Working frequency:433M Working modes:jog, self-locking, interlock, delay Waiting current:less than equal 10A Receiving sensitivity:less than equal 112dBm Output method: Contact output Received power:less than equal 3000W Battery:12V 23A battery (not included in shipment) Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:As Shown Material:ABS Package Contents: 4 * Receiver 3 * Remote(ABCD) 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.