The Music Masters Discount Electronics MORE! You are looking at... Item: Wireless Door Bell Chime Ringer Battery Powered 36 Musical Melodies LED Flashing Light Condition: New Factory Specifications: Wireless Doorbell Chime System Up To 300ft Range Waterproof IP44 Transmitter Push Button Switch 36 Selectable Musical Melodies Adjustable Volume LED Alert Indicator Select Flash AND Sound / Flash OR Sound One Million Different Auto-Learning Codes Prevents Interference Quick, Simple, and Easy Installation Transmitter Uses (1) CR-2032 Battery (Included) Receiver Plugs into AC Outlet FCC ROHS Compliant Receiver (Chime) Dimensions: 4.25"H x 3"W x 1"D Transmitter (Button) Dimensions: 3.25"H x 1.25"W x .90"D Comments: This is a nice low-cost wireless door bell system. It even has an LED alert indicator. You can pick from flash or sound or select both. Great for noisy areas as long as you can see the LED flash. Receiver plugs into any available AC outlet. It does not need batteries. There's 36 different musical type ringing/alert sounds and it has a range of 300 feet under the right conditions. Transmitter uses a long lasting CR2032 button cell battery and comes with a piece of double sided tape so you can mount it just about anywhere. Overall it's a nice item that works well at an excellent price. Thanks for checking out one of our items! Please take the time to look at everything we have up for sale and check back often. You never know what you will find. We can best be described as an "old school" stereo shop and electronics store with a modern twist. We always guarantee your satisfaction and promptly take care of our customers. Shipping Handling for this item is FREE everywhere in the United States. For international shipping not listed contact us for approval and a shipping quote before making your purchase. Thanks again for looking and as always your business is appreciated!