SunnyBell 16-Channel Plug-in Type Digital Wireless Doorbell with Flashing Light, ST18

This newly introduced ST18 wireless doorbell is a sister product of widely praised Sunnybell doorbells ST60, ST66 & ST78, which have been well known for their long transmission range and durability. This product comes with one pushbutton (transmitter) & one doorbell (receiver), the pushbutton runs on a 12V battery, which is included in the package, and the doorbell is a plug-in type, no batteries needed. Both the transmitter and the receiver have a 16 coded channel to choose. The doorbell has three modes, you can choose the ding-dong sound, or the flashing LED light, or both. The flashing light feature is great for those who are hearing impaired or if the doorbell is used in a noisy environment.