Long Range: Operating range up to 1,000ft/300m in open area ensures you to hear the bell and answer the door in time.
Multiple Volume Option – There are 28 different ring tones with 4 levels of adjustable volume from 20dB to 110dB. Flashing light with audio alert indicators which is easy for people including the hearing impaired to notice.
Built-in LED Indicator – Our wireless doorbell receivers and transmitters feature LED indicators that creates visual alerts for the hearing impaired.
Wireless Plug-in Receiver – The portable wireless plug-in receiver plugs into any standard outlet.
MEMORY FUNCTION: Preserves your last-set melody and volume level after a power outage; no need to reset to your previous settings; convenient and easy-to-use design for an enhanced user experience.
Voltage range: AC 110V-220V
Operating temperature: -10 – 55℃
Size: Approx. 96 * 62 * 32mm / 3.78 * 2.44 * 1.26inch
Voltage range: DC12V 23A Alkaline batteries * 1 (Built-in)
Operating temperature: -20 – 65℃
Size: Approx. 75x43x17mm / 2.95×1.69×0.67inchPlug Type: US, UK,EU (Optional)Color: Black, White (Optional)
Package includeds :
1 x Indoor receiver
1 x Outdoor transmitter
2 x Screw
1 x Double-sided adhesive tape
Details pictures :
EU PLUG, UK PLUG, US PLUG