12V wired doorbell with a "ding-dong" sound, white, suitable for hotel and home access control systems.

Product Features: 1. Battery-Free: Simply connect it to the 12V DC power supply of your access control system; the doorbell requires no batteries. 2. Easy to Use: After connecting to the access control system, press the doorbell button to hear a pleasant ringtone. 3. Loud Volume: This doorbell provides a clear sound, ensuring you don't miss any visitors or important events. 4. Premium ABS Material: Made of premium ABS material. Constructed with fire-retardant and high-temperature resistant materials, it is durable. 5. Wide Application: This classic wired doorbell is suitable for hotels, residences, and any other location you wish to install it in.