Feature: 1. STABLE SIGNAL: DC12V wireless remote control steadily controls the receiver from anywhere at a reliable distance, with signals that pass through wall, floors and doors. 2. LONG TRANSMISSION DISTANCE: 433MHz wireless remote control has a range of up to 50m/164.0ft without obstructions, making your life easier, safer and more energy efficient. 3. HIGH LEVEL OF SECURITY: Wireless remote control is highly secure with low repetition rate, extremely easy to set up and learn, and when the remote control is lost, it can delete the old code and relearn a new one. 4. APPLICABLE RANGE: 12 buttons remote control is suitable for home and shopping mall burglar alarms, electric car, car and motorcycle alarms, various door control systems and other smart controllers. 5. SENSITIVE BUTTON: 12 button transmitter receiver features a small and compact size, making this remote control easy to hold and not easy to slip off. Easy to operate and use with sensitive buttons. Specification: Item Type: 433MHz Wireless Remote Control Material: ABS Operating Voltage: DC12V Operating Frequency: 433MHz Standby Current: 0mA Operating Current: 16mA Coding Mode: Fixed Code (2264 2260 Chip Pad Pair Code) Learning Code: (1527 Chip) Modulation Mode: OOK (Amplitude Modulation) Reference Distance: In Use Can Generally Get To 50m/164.0ft (Open Environment) Operating Temperature: -10 ℃ To +70 ℃ Power Supply Battery: 1 x 12V 23A Alkaline Battery (Not Included). Package List: 1 x 433MHz Wireless Remote Control