Main Features: No Battery Required For Receiver & Transmitter The Transmitter adopts Self-generator technology, so you just install it and push the button! No-worried Range Transmission Up to 590 feet wireless transmission Range in open area. Ensure a wide operation range for most houses. Inform you in time no matter you are preparing meals in the kitchen or watering in the garden. Free your worry about missing visitors. Easy Installation- No wiring required Simply plug the receiver into an electrical outlet and install the push button with included double-sided tape and screws. 20 sound Melodies with Adjustable Volume Our wireless doorbell is provided with 20 different ringtones with adjustable volume from 25db - 110db. You can enjoy the tone music and set your favorite tones as you wish. What’s in the Box: 2 * Receivers; 2 * Transmitters; 2 * Adhesive tapes; 1 * User manual Please note: Please check if our hose connector size fits yours before you place the order. The hoses can not bent too much when and after installation. Do not use the acidic water, harsh cleaning chemical, brushes and coarse cloth. After-sale Service: Please show us your proof-of-purchase and the pictures of damaged product, we will deal with the problem instantly and pursue your satisfaction. Warm Tips: Although signal can easily cross through metal doors or walls, but cannot install transmitter on the metal, because built-in antenna cannot too close to metal.
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