Essential Gadget of Smarthome<br />Being smart， let's refuse undesirables and never miss a kindest visit which caused by restricted hearing range. The Forecum Wireless RC Door Chime kit offers easy installation and a dependable 100m+ effective range. It plugs into any standart wall outlet and can be installed on front， side， or back doors to gain security and peace of mind. This plug-in doorbell features clearly audible chimes to notify you when someone is at your door. In addition， there's also a flashing light indicator that gives you a visual form of notification (an excellent feature for the hearing impaired).<br /><br />Main Features:<br />- Wireless designed for easy installation and operation<br />- Adjustable volume with four levels (25 ~ 80dB)<br />- 36 different tunes for your choice<br />- LED Indicator: Press the sending button， LED indicator light will flash， emitter work and the receiver receives the order and then send out the beautiful music reminded you the VIP visit， the blue-ray LED of the receiver will regular flash along with the music<br />- Long distance transmission and high strength signal and sensitivity<br />- Water-resistant push button <br />- Built-in anti-interference design to avoid the interference between users<br />- Build in double speakers， make sound clear， especially suitable for homes， offices， factories， hotel， etc.<br /><br />    Specifications<br />General<br />	 Brand: Forecum                                                  <br />                        Model : Forecum 4                                                  <br />                        Material : ABS， Electronic Components                                                	<br />Door Detector Specifications<br />	 Power Supply : 4.5V (3 x AAA batteries - NOT included)                                                  <br />                        Transmission Frequency: 315MHz                                                  <br />                        Unobstructed Effective Range : More than 100m                                                  <br />                        Dimensions (L x W x H): 10.0 x 6.0 x 2.5 cm / 3.9 x 2.4 x 1.0 inches                                                	<br />Remote Controller Specifications<br />	 Power Requirements : 12V (Battery Model: 23A 12V - included)                                                  <br />                        Transmission Frequency: 315MHz                                                  <br />                        Unobstructed Effective Range : More than 100m                                                  <br />                        Operating Temperature (°C): -10 deg. C ~ 50 deg. C                                                  <br />                        Dimensions (L x W x H): 8.0 x 4.5 x 2.3 cm / 3.1 x 1.8 x 0.9 inches                                                	<br />Dimension and Weight<br />	 Product weight  : 36 g (transmitter)，  76 g (receiver)                                                  <br />                        Package weight  : 0.162 kg                                                  <br />                        Package size (L x W x H)  : 10.3 x 5.0 x 6.5 cm                                                	<br />Package contents<br />	 Package contents: 1 x Doorbell， 1 x Doorbell Button， 1 x 23A Battery， 2 x Screw， 1 x Sticker， 1 x User Manual                                                	<br /><br /><br /><br />                                                        <br /><br /><br /><br /><br /><br /><br /><br />                                                <br />