Features:
<br />1. 36 pleasant chimes for you to choose from
<br />2. Beautiful black traditional pattern print, add a touch of charm to any kind of home decor
<br />3. Install quickly without the hassle of running any wires
<br />4. When the transmitter button is pressed, the ring will sound and the LED light on the receiver will start flashing
<br />5. 4-level adjustable volume
<br />6. Waterproof design, work great even on outdoor gates
<br />7. Support two receivers, batteries are not included
<br />
<br />Specifications:
<br />1. Receiver:
<br />(1). The Work Voltage of the Receiver: DC 4.5V (3 x AAA Battery, not Included) 
<br />(2). Woking Current:  80mA          
<br />(3). Static Current:  0.8mA(Ultra-low Power , Can Extend Battery Life)                                                                                    
<br />(4). Power:  2W        
<br />(5). Music: 36 Cord Music for Option           
<br />(6). Sound: 25-80dB (4 Grade Volumes)                                                 
<br />(7). Remote Control / Incept Distance:  100m(in Open Air) 
<br />(8). Dimensions: (3.94 x 2.28 x 1.1)" / (10 x 5.8 x 2.8)cm (L x W x H)
<br /> 2. Emitter                                     
<br />(1). Work Frequency: 315MHz                                 
<br />(2). Work Voltage of the Emitter: 12V(Battery Model: 23A 12V, not Included)
<br />(3). Work Electricity of the Emitter:  15mA
<br />(4). Temperature: -10   ~50    
<br />(5). Dimensions: (3.19 x 1.77 x 0.91)" / (8.1 x 4.5 x 2.3)cm (L x W x H)
<br />3. Color: White & Black
<br />4. Weight: 5.82oz / 165g
<br />5. Material: ABS
<br />
<br />Package Includes: 
<br />2 x Doorbell Receivers
<br />1 x Emitter
<br />1 x Manual
<br />1 x Cotton Piece