4Mode Magnetic Alarm for home and family safety Overview This compact magnetic alarm uses a magnetic contact sensor and four selectable alert modes to notify you immediately when a door or window opens. With a piercing 110 dB siren, simple peelandstick installation, and preinstalled batteries, it offers reliable, tool protection for interior doors, windows, cabinets, and small appliances. Key benefits Immediate detection: Magnetic contact sensor triggers an alarm as soon as a door or window opens, helping deter intruders and preventing accidental exits by children or pets. Flexible alerts: Four modes let you choose the response that fits each location — general alarm, doorbell, continuous alarm, or opening reminder. Easy setup: Preinstalled LR44 batteries and adhesive mounting allow fast, tool installation. Ready to use out of the box. Clear maintenance signals: Low battery warning and simple weekly testing keep the device functioning reliably. Compact and compatible: Small footprint and adhesive mounting make it suitable for most interior surfaces and common household openings. Features Four modes: General alarm, Doorbell, Constant alarm, Closing reminder (door/window open alert) Alarm level: Up to 110 dB (operating range 60 to 110 dB) Sensor: Magnetic contact sensor Mounting: Adhesive mounting for tool installation Power: LR44 alkaline batteries, 3 per alarm (battery included) Control method: Up On / Down Off Dimensions: 2.24 in x 1.18 in x 0.39 in Weight: 2.88 oz per unit Operating temperature: 14 F to 140 F Not waterproof; avoid use in humid outdoor environments Mode selection Default: When powered on the device defaults to general alarm mode (alarm sounds immediately when the door opens). To change modes: 1. Remove power for 1 to 2 minutes (take batteries out or switch off). 2. Use the Up On and Down Off control to power on and off in the following sequences. Continuous alarm (10 seconds): On (2 beeps), Off, On (1 beep). Door opening alert (gradually increasing volume): On (2 beeps), Off, On (1 beep), Off, On (3 beeps). Doorbell mode (dingdong sound): On (2 beeps), Off, On (1 beep), Off, On (3 beeps), Off, On (doorbell sound). Low battery and testing Low battery indicator: The alarm emits a single short beep (about 0.5 seconds) when battery is low. A double alert repeats every 30 minutes to prompt replacement. Test the alarm weekly to confirm proper operation and alignment. Installation tips Maintain a gap no greater than 0.39 in between the sensor and the magnet for reliable triggering. Clean and dry mounting surfaces before applying adhesive pads. Use on interior doors, windows, cabinets, refrigerators, and small enclosures. Do not expose to heavy moisture or outdoor weather. Practical use scenarios 1. Front or back doors: Set to general alarm or continuous alarm to deter unauthorized entry and notify you instantly when a door opens. 2. Cabinet or refrigerator: Use doorbell or opening alert mode to receive gentle notifications when a frequently accessed compartment is opened. 3. Child safety and monitoring: Place on bedroom or stairway doors to prevent accidental exits; set door opening alert to remind caregivers when a door remains open. What makes this product stand out Four practical modes cover security and convenience needs without additional equipment. volume 110 dB siren provides a strong audible deterrent while the compact design allows discreet placement. Tool setup and included batteries get the alarm working immediately. Package contents and compatibility One magnetic alarm unit per item Preinstalled LR44 alkaline batteries (3 per alarm) Doublesided adhesive pads for mounting Compatible with most interior doors, windows, cabinets, and small appliances where adhesive mounting is suitable Safety and maintenance notes Not waterproof. Avoid outdoor or humid installations. Ensure proper alignment and maintain the 0.39 in gap for correct operation. batteries when low battery alerts occur and test the device regularly to ensure continued protection.