60 Ringtones & 5 Volume Levels - There are 60 different ringtones with 5 adjustable volume levels from 0dB to 50dB. 110dB (silent, perfect for home use when the baby is sleeping). The stereo speaker provides a rich and clear sound, you can easily choose and set your favorite ringtones according to your preferences. The flashing lights are easy to use. Noticed by people, even those with hearing impairment. Very Long Range - The range is up to 150 meters in open field, so you can hear and react. The eggs set the time for the doorbell. Whether you are busy and healthy, a few rooms away or a bit away. Whether you are on another floor, in the garden or in the kitchen, you are always well informed. If someone calls from outside, you don't have to worry about missing visitors. Robust and Waterproof IP65 Push Button - Modern and stylish design in classic black and white color, excellent materials protect it from high temperature and interference. IP65 waterproof, works between -14°F and 140°F; Withstands various severe weather conditions, acceptable for outdoor use. Easy to use. To install: Simply plug the mini receiver into a power outlet and mount the transmitter on a remote wall. Use double-sided tape, but before fixing the transmitter, remove the insulation film from the battery, which can be easily removed. Install. Will not interfere with other devices in your home or your neighbors' devices, ensuring you never miss a visitor. This wireless doorbell is by far the most practical choice for your home and business. Long Wireless Range The wireless range reaches up to 500 feet/150 meters in an open space and does not interfere with other devices in your home or your neighbors' devices. You will never miss a visitor. LED Flash When you press the button, the transmitter and the doorbell receiver flash simultaneously. The flashing light together with the number of audible alarm indicators is easy to perceive for people with hearing impairment. Waterproof Push Button The impressive water resistance with IP44 dust and water protection class and the approved operating temperature range from -22℉ to 158℉ makes the transmitter button robust enough to withstand heavy use in almost all outdoor conditions. Sold in the YMYNY store