The LED indicator on the doorbell receiver is used to help you to get notify when the mute mode applied. In the situation of replacing the battery of the push button transmitter, the scerw is required to use to gently open it from beside.
eBay
ULTRA-LONG WIRELESS RANGE: long range wireless doorbell can work up to 820-feet range. Remote transmitter button is rated IP44 weatherproof and acceptable for outdoor use. Wireless Doorbell The flashing light indicator that gives you a visual form of notification(an excellent feature for the hearing impaired).
eBay
The SadoTech Wireless Doorbell is a versatile and convenient addition to any home. With its wireless connectivity and waterproof battery operation, it ensures that you can always hear when someone comes to your door. Made of durable plastic and in a sleek white colour, this doorbell is suitable for any home setting. Easy to install and use, this product from China is a practical and stylish choice for enhancing security and convenience at your front door.
eBay
Doorbell could works between -20 ℃ to 65 ℃, withstands tough weather conditions. No matter in the sun, rain, snow, the flashing light indicator that gives you a visual form of notification, an excellent feature for the hearing impaired.
eBay
⭐Weatherproof & Sleek Design: The transmitter is rated IP44, making it durable and weather-resistant, able to withstand rain, snow, and temperature fluctuations. 50-410cm Shower Curtain Rail Pole Heavy Duty Extendable Tension Rod No Drilling.
eBay
500m maximum effective range. Connectivity Wireless. Features Waterproof. Battery Included Yes. Power Source Battery. Model 1 Indicator + 1/2 Receiver. 1 x Transmitter (included 12V 3A battery ). Place it in the place where it needs to be installed.
eBay
Wireless Doorbell. The wireless connectivity eliminates the need for complicated wiring connections, making it easy to install.
eBay
You could install it anywhere inside, house, garden, garage, office, etc. Adhesive Patch Mounting: Use the included double-sided adhesive to stick the doorbell wireless cordless button on the wall. Easy to Install.
eBay