Control host arming and disarming through different data codes Arming and disarming through password or RFID card Support 10 RFID cards Adopt ultra-low power design Built-in lithium battery<br><br>Can be charged via USB interface Long transmission distance Strong anti-interference ability Signal security and stability The keyboard lock can be connected to the 433MHz frequency encoding method EV1527 alarm host to work, and can unlock the alarm siren sound RFID card, easier and more convenient to use ①RFID tag reader zone ②Power/Ready indicator ③Away/Home arming indicator ④Disarming indicator ⑤Setting indictor ⑥Away arming button ⑦Disarming button ⑧Home arming button ⑨Doorbell button Colour:White Material:Plastic<br><br>Package Contents: 1 * Keyboard lock 1 * Data cable<br><br>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.