Waterproof wireless doorbell, outdoor doorbell, 300-meter effective range, 2 transmitters and 1 receiver, wireless doorbell kit with LED flash, 36 ringtones, 4-level volume control, con

【Long Range】Thanks to its long wireless range (up to 280 meters in open field), this doorbell is ideal for home use, with excellent signal penetration. Whether you're cooking or mowing the lawn, it will alert you quickly. Never miss a visitor again! 【Water and Weather Resistant】Featuring IP44 waterproofing technology and operating between -30°C and 70°C, this wireless doorbell is perfectly suited for outdoor use. It will function normally even in rain, snow, or sub-zero temperatures. 【Easy Installation】Simply plug the receiver into a wall outlet, then attach the button to the wall or door frame using adhesive tape or screws. A blue LED indicator flashes when someone is at the door. You can choose from 36 different ringtones, from classic melodies to popular tunes. The volume is adjustable from 25 dB to 85 dB, with 4 levels. This wireless indoor/outdoor doorbell includes 2 receivers and 1 transmitter, eliminating the need for batteries or cumbersome wires. The IP44 weatherproof button is ideal for outdoor use, such as a garden doorbell. With a range of 300 meters, you'll never miss a visitor or delivery. Installation is easy and interference-free. The distance between the transmitter and receiver can reach up to 300 meters! Thanks to its long range, the doorbell can be installed anywhere in the house. Weatherproof and dustproof (IP44), it is suitable for both indoor and outdoor use. The wireless doorbell operates in temperatures ranging from -20°C to 65°C. No need to worry about sun, rain, snow, or other extreme weather conditions (such as frost). Installation is simple: attach the transmitter to a wall or door frame using the included adhesive tape or screws. Plug the receiver into a power outlet. Note: Remove the protective insulating film before installing the receiver. LED indicator: The receiver emits a blue LED signal when someone rings the doorbell, making it easier for the elderly and those with hearing difficulties to use. One button, two units: Suitable for indoor and outdoor use, e.g., as a garden doorbell or indoor doorbell. Dimensions: Button: 7.8 cm x 4.6 cm x 2 cm; Main unit: 8.0 cm x 7.5 cm x 2.3 cm; Ringtones: 36; Protection rating (transmitter): IP44; Operating temperature: -22°C to 65°C; Volume: 4 adjustable levels (25 dB to 85 dB); Input voltage: 110-240 V AC, 50/60 Hz