Door Window Alarm, 1500ft Range Personal Security Window/Door, DIY Protection, Entry Sensor, Burglar Alert, Wireless, Two Sensors One Receiver - Black

Description

• 🎵Rich And Crisp Sound - Chimes when your door or window opens letting you know someone is entering, helps deter intruder and alert residence. The door chime has 55 kinds of melodies and 5 levels of volume adjustment can choose (has mute function). Avoid the disappointment & frustration of other door sensor chimes.
• 🌀Longer Wireless Range - Ultra-long wireless 1500ft range allows that you plug-in the receiver to get doors/windows alarm wherever you are. Easy and convenient to install, requires no wiring. It has the range you need in a house, garage, apartment, dorm room, mobile home, RV, office and more. Good for babies, the elderly, pets and etc.
• ⭐Patented Technology - Based on customer needs, has created a door sensor kit by special microchips and patented technology, fits on all types of doors and windows. It can through walls better to ensures a more reliable connection.
• 🔌Plug And Play - Ready to work right out of the box, your entry sensor comes pre-installed with batteries and adhesive. It can also remember your last set melody and volume level after a power outage, no need to set it up again.
• ✔Support Expand - Add on additional receivers to hear in multiple locations, or additional door sensors for more than one door, and set up for different chimes to distinguish which sensor rings. Excellent range and fantastic products for large or hard to hear areas.

Memory Function Remembers your last melody and volume level after a power outage; no need to reset to your previous settings; convenient and easy-to-use design for an enhanced user experience. Good for babies, the elderly, pets and etc.	Support Expand Add on additional receivers to hear in multiple locations, or additional door sensors for more than one door, and set up for different chimes to distinguish which sensor rings. Excellent range and fantastic products for large or hard to hear areas.	Change Battery 1. Push up the compartment at the back of the door sensor. 2. Take out the dead batteries and put in the new ones. (Alkaline 23A 12V) 3. Insert the new batteries correctly so that the + and - poles are aligned to avoid damage. 4. Put back the compartment and pull it down properly. NOTE: Use only high-quality batteries.