Timbre inalámbrico, alcance de 400 metros, 2 receptores, 55 tonos de llamada, color negro.

【400-meter Wireless Transmission Distance】The wireless doorbell has an effective range of up to 400 meters (unobstructed). A strong and stable wireless signal ensures you can hear the doorbell clearly even from multiple rooms or different floors. 【Blinking LED Indicator】The blinking LED indicator on the wireless doorbell and transmitter serves as a visual signal, making it very user-friendly for the hearing impaired and the elderly. 【IP55 Water and Dust Resistance】This home doorbell has an IP55 dust and water resistance rating and can withstand harsh weather conditions (-30°C to 70°C). It features a low-power transmitter and a high-quality battery. 【55 Ringtones and 5 Volume Levels】The plug-and-play receiver has 55 built-in ringtones and 5 adjustable volume levels, from mute to 110 decibels. A built-in memory chip remembers your last settings, so there's no need to reset after a power outage. 【Easy Installation】: Simply plug the two receivers into a socket and then use the included double-sided tape or screws to secure the transmitter to the front door.