Wireless Connection: No need for complicated wiring, the doorbell connects wirelessly to your home security system. 32 Songs Smart Alarm: Choose from 32 different songs to play when the doorbell is rung, adding a personal touch to your home security. Waterproof Design: The doorbell is designed to withstand harsh weather conditions, ensuring it remains functional even in rainy seasons. Intelligent Doorbell: The doorbell is equipped with intelligent features that enable it to distinguish between genuine visitors and unwanted intruders. 1. 32 songs optional.( for doorbell button) 2. Doorbell, alarm, welcome multi-purpose. 3. Can learn up to 30 mitters, no loss of power. 4. Support 1527/2262 code chip.(button) 5. Volume 4 adjustable.(No mute mode) 6. Support multiple doorbell mitter, suitable for large house. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. voltage: AC100-240V Colour:As Shown Material:plastic Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 set * Doorbell Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!