Electronic 3 in 1 Leverset 1. Touch LED Keypad for code entry 2. RFID card or NFC mobile phone entry 3. Key override entry using common front door keys Fits in standard 54 mm lockset or deadbolt hole, no additional drilling required Touch keypad with backlight Compact, stylish keypad. Dimensions: 155mmHx75mmW Now available with RFID sticker for operation with the CEL Range. Fits on the back of your phone or wallet. RFID card entry, also compatible with all common travel cards Access codes, RFID cards & phones are programmed through the lock 1 programing code, 25 user codes and 25 RFID cards Codes from 4 – 8 digits Vacation mode, lock out all users Double authorisation mode possible, card and code Requires 4 AA batteries