OR-DB-YE-115 with Wireless Door Bell manufactured by ORNO is a two-part electronic doorbell system, consisting of a transmitter and a receiver. The transmitter is designed to be mounted indoors, while the receiver is designed to be mounted outside of the building. The receiver is outfitted with a wireless receiver, operated by the wireless signal from the transmitter. The receiver is powered by 4x AAA batteries, and will sound a chime upon receiving the wireless signal from the transmitter. It is also equipped with a LED indication, so users can quickly differentiate between doorbell activations and other sound signals. The transmitter is also operated by 4x AAA batteries, and comes with an easy-to-use push button, making it a user-friendly system. The transmitter is IP44 protect, meaning it is dustproof and splash proof. It has a range of up to 140 meters in open field, allowing it to be located outdoors.