Kinetic Outdoor Flash Industrial Wireless Battery Doorbell

To help hearing impaired, Digital Remote Wireless Doorbell with Flashing Lights and ringtones can Flash lights and ring at the same time. Or it can just flash led lights without ring. Or it rings without flashing lights. Great for Hearing Impaired, special needs or Noisy Environments. Easily place outdoor transmitter or push button using supplied two sided tape or with the supplied screws. Wireless outdoor push button comes with kinetic technolodgy, no need any battery. See more features as below: - Doorbell chime is battery operated, powered by 3pcs 1.5V AA battery. - self-powered bell push button, which lifetime is as long as 20,0000 presses. - Operating range up to 150 metres on open air, which is applicable for villa, multi-story houses or big property.            - The transmitter is waterproof IP44, better to work even in tough working environment.                   …