Key Features: Show the last 3 calls at the same time. Show 3 groups of 3-digit calling numbers from ‘000’ to ‘999’ at one time. As a clock when standby. Readability: 40 meters with powerful LEDs Can work with 256pcs of 1-key or 3-key transmitters in max. Use different way to indicate the different types of calls. Indicate different service types with indicator lights. Adjustable ringtone (7 kinds) and volume. Record last 30 calls. Can rolling display the last 10 calls.
