【Wireless Doorbell with Touch Button】 - The touch button is a new design for the wireless doorbell. With dustproof and waterproof function, featuring higher sensitivity and lower power consumption. 【Doorbell with Flashing Light】-- The wireless doorbell has 36 melodies and 4 levels of volume range (silent-low-medium-high). The built-in large LED indicator offers extra help for the hearing impaired. 【1200 FT】 - Battery-powered wireless doorbell, the strong wireless signal is up to 1200 feet in an open area. The smart wireless doorbell will not interfere with other equipment in your home or your neighbors'. Never miss a visitor at home or for business. 【Doorbell Easy to Install】-- Easily plug the receiver into an electrical outlet and attach the transmitter (pull out the insulation sheet inside) to the door frame. Do not install too close to metal or machinery like TV, WiFi equipment, computer, etc. [Product Packaging] Doorbells and doorbells include Transmitter X1.