Door Open Contact Sensor

METAK Wireless Door Chime - 500 ft Range, 58 Chimes, Low Price Deal on Amazon.

METAK wireless door chime with 500 ft range, 58 chimes, and 5 volume levels. Plug-in receiver and contact sensor for home, office, or store. Very low price – exceptional value for reliable entry alerts.

Aootek Solar Motion Sensor Lights 120 LED 6-Pack – Discount Outdoor Lighting Deal.

Get the Aootek 120 LED solar motion sensor lights 6-pack at a low price. Featuring 270° wide angle, IP65 waterproof, and reflector for bright illumination. Perfect for front door, yard, garage, and deck. Great value outdoor lighting.

4PCS Reflective Car Door Stickers – Night Safety Decals at Low Price.

Set of 4 reflective warning stickers for car doors, enhancing night visibility and preventing dings. Universal fit for trucks, SUVs, vans. Durable adhesive, easy installation. Very affordable safety upgrade for any vehicle.

Bargain: Indoor 300LBS Electromagnetic Door Lock with LED - Low Price.

This affordable indoor electromagnetic door lock offers 300 lbs holding force and an LED sensor for access control. At a low price, it provides great value for securing outswinging doors. Ideal for basic security systems. Reliable performance, easy to install.

Voice Door Reminder Deal: Affordable Delay Alert for Home & Office – Special Offer.

Get a reliable voice door reminder with adjustable delay. Perfect for home, office, fridge, or freezer. Very affordable price – high value alert solution.

Budget Door Chime Alert 2-Sensor Receiver – Great Value on Amazon.

Get reliable entry notification with this 2-sensor 1-receiver door alarm. Features 58 chimes, 5 volume levels, and 500ft range. Budget-friendly price for home, office, or bedroom safety. A practical choice for monitoring kids, toddlers, or elderly.