smart doo ell Wireless Button Door Bell Patient Elderly Deaf Caller with 7 Ki of Flash Lamp Color Tones
- 200 m wireless remote control receiving distance.
- Obvious effect of seven-color flashlight, and it is more suitable for deaf people.
- Super strong signal and penetration, no interference.
- 32 pcs of music are optional, and 5 volume levels can be adjusted.
- Three working modes are available: Music; Flash ; Music + Flash.
