DescriptionColor: white, black(optional)Long Wireless Range & Multi Use: The 300 meters distance in an open area is applicable to all kinds of homes, offices, hotels, factories, tourism and other environment. NOTE: The wireless signal will be affected by obstacles. The more obstacles, the more serious the signal loss.38 Ringtones & 4-Level Volume: The wireless doorbell offers a wide selection of 38 chimes for your personal taste, for example, you can have a Christmas doorbell during the christmas season, and more. 4-level of volume range from 0 to 80dB to meet your needs for different occasions.Super LED flashes: The doorbell's LED signal has been widened and brightened according to customers' suggestions, making sure the LED flashes can alert you from a long distance. Eye-catching blue light flashes when someone pushes the doorbell. Thus offer additional assistance for the hearing impaired. Particularly suitable for the elderly, deaf, and pregnant women. Package Includes:1*door beller Attention 1. Due to manual measurement, please allow for minor errors. Please ensure that you do not mind before bidding. 2. Colors may vary depending on the monitor, please understand. Hello, please pay attention to your shipping address when purchasing products. If your delivery information (such as name, street, house number, doorbell/email without a name, etc.) is incorrect, the order will not be delivered correctly