Aerb wireless door bell aims to provide a premium wireless doorbell and bring a whole new level of convenience to your daily life. Easy to know who is at your door, it's a great addition to your home. Specifications: Wireless Range: 500-600 ft /200m maximum in the OPEN AREA Tunes: 36 selectable options Volume: 4 level adjustable levels (50db to 80 db) Receiver Power: AC 110V ~ 220V 50Hz / 60Hz Transmitter Power: 1 x 12V Alkaline Type A23 battery Noted: The function of this wireless doorbell may be affected in the following situations. 1. Subjected to electromagnetic interference; 2. Mounted on top of the closed iron gate; 3. Shielding phenomenon; 4. Too wet weather; 5. Depleted battery. Realiable Warranty: We are confident with our quality that's why we offer ONE YEAR free manufacture warranty. What's Included: 1 * (Plug-in Chime) Receiver 1 * (Touch Activated) Transmitter 2 * Screws 1 * Double Faced Adhesive Tape 1 * User Manual
1. Work up to 1000 feet maximum (best condition without any obstacles); averagely home 600 feet;
2. 52 chimes to select and 4 volume levels to alert; plenty selections offered;
3. Battery operated transmitter / push button; Wall plugged receiver; Receiver size:3.1*1.1*3.4mm; Transmitter: 2*0.7*2.8mm;
4. Newest learning function, which grants random (match up): you can use one transmitter for multi receivers or you can use one receiver for multi transmitters Push;
5. Led flashes on transmitter and receiver for indication purpose; Two screws and one double faced adhesive tape included to fix the receiver.