1. Compact and beautiful appearance design; 4-key control 2. Using wireless radio frequency technology, the transmission distance is long, non-directional, high transmission sensitivity and no signal obstruction 3. With LED working status indication 4. Application:Family/mall anti-theft alarm system; All kinds of doors and Windows electric car, car, motorcycle, car alarm, controller and other industrial control. Working voltage:DC12V Voltage:CR2032 Current:less than equal 12mA Frequency:868mhz Power: equal 10mW Distance:50-100meters Frequency deviation:0.2MHz Transmission speed:50-60KHZ Chip:copy code (face to face) Work Temperature:-20-70 Storage Temperature:-10-50 Compatible Models: For HS1-868-BS For HS4-868-BS For HS5-868-BS For HSS4-868-BS For HSE1-868-BS For HSE2-868-BS For HSE4-868-BS For HSP4-868-BS For HSD2-868-BS Colour:Black & Silver Material:Plastic+Metal Package Contents: 1 * 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!