SMART KIT 1177 Programmerable Electronic Clock is an electronic lock will allow you to improve your security by giving you controlled access to a specific location. The heart of the circuit is a Microchip microcontroller, the PIC 16C54 that provides complete security as it secures over 2,000 different codes. It has a primary code and 6 sub-codes that can be programmed and changed by the user. Power supply: 12V DC. Consumption: 100 mA.