Wide Compatibility: Compatible with most automatic garage and gate systems operating at 433MHz. User-Friendly Design: Features four buttons for easy control, allowing you to manage multiple gates or garage doors. Ideal for multi-door households or small commercial facilities. and Reliable: Built to withstand daily use with a robust construction and long-lasting battery life. Product name: Chili four-button remote control Working current: ≤8mA Working voltage: DC 6V Working frequency: 433MHz Modulation mode: ASK mission distance: 30-100 meters mission rate: 50-60KHZ Chip type: learning code chip Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:Black Material:plastic Package Contents: 10 x Remote Control 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.