Wireless smart key for CL-RF keyboard. Frequency 868 MHz. Range of coverage in hands-free mode from 3 to 6 m and with manual pressing of the 50 m button. Configurable transmission power. Programmable PIN code. The smart key is more comfortable than a remote control. It will also work inside a pocket, a bag or in the glove compartment of the car. Lithium battery power CR2032. Dimensions: 62 x 35 x 13.5 mm. Check price for quantities.