Check the listing for details. ChunHee Wireless 2 Door Chimes + 5 Door Sensors. Color: Black, Condition: New. Listed at 42.99 USD. About this item♥ Different Advantages: Door chime wireless door sensor the screen is LED digital display, which can be matched with different music, the multi-set with LED digital display can let you know clearly which doorbell is ringing, and the LED indicator creates a visual LED alert for the hearing impaired, helping you to protect your home better.♥ Material Durable: Door sensor chime Designed with ultra-low power consumption for long battery life. Made of ABS material, sturdy and durable. It can be used for a long time, replace the battery.♥24 Lifeguard for Your Family: Secure your home with ChunHee's door-open chime adjustable volume! Easy to use and fully adjustable, these door chimes when the door opens for home are a practical solution for monitoring any door entry, whether it’s your toddler looking for his parents or the elderly and hearing impaired.♥55 Melodies & 5 Volume: This door entry chime alert for business has 5 levels of adjustable volume from 0-110 DB. Offer 55 elegant pieces of music from the traditional "Ding Dong" to various well-known chimes. Memory function: Keep the previous set tune after re-plugging it.♥Wide Range of Action: Our door chime for business when entering has a 500ft operating range that is suitable for small and medium-sized homes, as well as shops and apartments. You can also use these door alarm sensors with additional ChunHee's wireless door sensor or wireless door open chime for more safety and security.