WOOKEE Bell made of high quality plastic. Are LED lights, can give deaf people with intellectual disabilities a hint it was coming. Can also be used as a night light in the room. He can also control 100 meters above sea level, Oh! Is essential for a baby in our family, she not only when the doorbell, it can also function as a Nightlight, to deaf as well as light. WOOKEE door bell wholesale prices negotiable, quantities of 1 piece.