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Wireless Doorbell Rechargeable Battery Hands Free Full Duplex Intercom Door Bell Waterproof Full Duplex Two Way Intercom Adjustable Volume 4 Chimes One Press To Talk for House Office Feature: 1.Real-Time Communication: Experience seamless and secure full duplex two way intercom calls, just like on your phone, providing clear and uninterrupted communication for all users. 2.Hands-Free Operation: With our hands free full duplex intercom door bell feature, once connected, there's no need to hold down a button, allowing you to multitask efficiently. 3.Portable and Lightweight: Our intercom system doorbell is designed for mobility, enabling easy relocation and operation while being compact enough to fit any space. 4.Extended Range: Enjoy a remarkable range of up to 500 meters in open areas and 400 meters indoors, with the ability to penetrate through three walls for reliable connectivity. 5.ABS Construction: Built from high-quality ABS material with a matte finish, our system includes a rain cover for outdoor durability, ensuring long-lasting protection. Specification: Origin: Mainland China Power supply: polymer battery Battery capacity: 1000 mAh each (receiver/transmitter) Battery power supply: DC5V/1A Working temperature: -20 degrees to 60 degrees Music ringtones: 4 songs 8 levels of adjustable volume Package weight: 185g Package size: 135.00x60.00x45.00mm/5.31x2.36x1.77inch Note: Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding! Please allow a 1-2 cm difference in measurements due to manual measuring.   1 X Internal Unit 1 X External Unit 1 X Rain Cover 1 X Black Sponge Pad 1 X Transparent Pe Bag 1 X Charging Cable 1 X 6-Country Manual 1 X Transparent 3m Adhesive   [relateproductdetail/]