Sonnette sans fil standard UK/EU/US, sonnette numérique AC pour villa, télécommande ultra longue distance, téléavertisseur pour personnes âgées

Note: This product price does not include tax. Tax will be added to the invoice. Please contact customer service. Thank you!   Available in black and white. If no color is specified, the color will be as shown in the main image. Please contact customer service for more information. Special Notes: 1. For AC doorbells, the receiver (indoor unit) uses household power and can be plugged directly into an outlet. No batteries are required, making it environmentally friendly and convenient! The transmitter (outdoor unit) uses batteries that last approximately one year. 2. Superior reception. Suitable for homes, offices, hotels, buildings, dormitories, factories, construction sites, etc. 3. Using the same doorbell model within the same area will not interfere with each other! Utilizing wireless high frequency transmission technology with the same frequency and different codes, it effectively avoids interference and false ringing between neighbors. Warm Reminder:The distances listed on this product's details page are experimental data. Actual distances vary depending on the wireless environment and building obstructions. Please be informed based on actual usage. Also, it's not recommended to install the button on metal surfaces. Thank you!   Feature 1: Anti interference, no crosstalk. Feature 2: Receiver with intelligent flashing light. Feature 3: Long distance wireless signal reception. Feature 4: Adjustable volume and music. Easy to install and use (default ding dong ding dong). 3 adjustable volume levels. 38 music tracks to choose from.