Doorbell 1 button 2 receiver Wireless Chime Home Doorbell Intelligent 61 Songs Smart Doorbell Alarm With Battery Features: touch] doorbell button doorbell button level is up to IP66,you can put it on the outdoor wall .And low power consumption, it can use about one year if press average 10 times a day. 61 ringtones for your option,you can select regularly,and don't feel bored.Avoid the same ring with the neighbors. Strong signal ,150m long Transmission. Long operating range can be up to 500ft(150m) in open space, great for large house including villas, apartment, offices, shops, warehouses, etc]. 4 levels] volume. You can turn down the doorbell when you need quiet at home to prevent] noise, and turn it up when it is noisy to prevent] inaudibility. Doorbell, alarm, welcome alarm . Easy to install. Just plug the receiver into power socket and attach the transmitter on door,you don't even necessarily have to make holes or damage anything. Product Description: Product Name：Wireless Doorbell Operating voltage AC 100-240V Operating current < 100 Radio frequency: 433 MHz Operating temperature: -10-50 degrees Celsius Wireless distance: 150 meters (open area) Frequency: 433 MHz Operating Current: 8~15mA Operating Temperature:-10℃~50℃; Humidity:not more than 90 Battery:23A 12V (battery not included) Transmitting distance:< 80 meters 【100% Wireless & Easy to Install and Set up】This wireless doorbell camera takes less than 5 minutes to install, set up, and use. Mount it in your desired location for your apartment, without wires and drills. 【Battery-Powered & Stable Signal】Morecam wireless doorbell camera with built-in 4700mAh battery and low power consumption, last 90-days per charge. The video doorbell works great with 2.4Ghz WiFi, opening App and watching live video in seconds. 【Full HD & IR Night Vision】Thanks to the update from the new model, the resolution of the doorbell camera has been upgraded! This FHD wireless video doorbell camera equipment with a wider viewing angle of 166°, offers crystal-clear images and video recordings, and won't miss any out-of-sight corners! Built-in IR lights automatically sense the ambient light and switch to night vision mode, permitting you to see clearly even in darkness. 【PIR Motion Detector & Two-way Audio】Built-in PIR Sensor allows you to receive instant notifications when anyone presses your doorbell or when motion is detected. The built-in microphone and speaker provide you with real-time clear two-way audio, you can see, hear and talk with the visitors immediately, or select a pre-recorded voice message for quick replies. 【100% SATISFACTION REFUND】 Thank you very much for choosing our product, we hope you are satisfied with the product and service you received. If you are not satisfied, please feel free to contact us, we will reply in time and give you a satisfactory solution.