Type of programming: Programming with the receiver Frequency: 433.42 MHz Code: Rolling Code Buttons: 2 Battery: Includes battery Features: When your remote control is lost, you can purchase this remote control and pair it with your receiver. After successful programming, you will have a fully functional replacement remote control. Compatible Models: 2 / NS 4 Access to receiver required. Please ensure you have access to your receiver or opener before purchase. How to program: 1. Press and hold the PROG button on the receiver for 2 seconds until the indicator light turns on to enter programming mode. 2. Briefly press the PROG button on the back of transmitter A or the button to store on transmitter B; the indicator light will flash. Note: It is possible to enter programming mode using a remote control already stored on the receiver by pressing the PROG button on the remote control until the indicator light turns on, then store a new transmitter. Color: Black Material: Plastic Package Contents: 1 x Remote Control Only the above package content is included; other products are not included. Note: Light reflection and different display settings may cause slight color variation between the item in the image and the actual item. Measurement may vary by +/- 1-3 cm.