<p>Passage detector alarm, The infrared receiver range is 3-7 m. Warns you in advance when guests (or intruders) arrive.</p> <p>Motion detector alarm with 38 ringtones, you can choose the one(s) you prefer! 3 levels of volume adjustment: High or Medium or Low.</p> <p>Working mode of the receiver: single LED light flashing or both sound and LED flashing.</p> <p>Power supply (receiver): AC 110-240V. Power Supply (Transmitter): 3 x 1.5V AAA batteries (not included) or 5V DC adapters (not included) </p> <p>Applications: Entry alert, burglar alarm, passage alarm, pest detector, car alarm (indoor), warehouse monitor, closet alarm power supply, garage and tool shed monitor, mailbox sensor, front door or gateway detection.</p> <p>Features:</p> <p>Communication range between sensor and receiver: 70 meters (open space)</p> <p>Sensor range: 3 to 7 meters</p> <p>Sensor range angle: 110 degrees</p> <p>Sensor power supply operation: 3 x AAA batteries or 5V USB power supply (not included in the delivery)</p> <p>Receiver power supply Operation: DC 110V - 240V</p> <p>3 levels of volume control: high, medium, low</p> <p>2 Alarm Mode: ringtones + LED display and LED display</p> <p>Totally 38 different ringtones to welcome your guests</p> <p>multi use</p> <p>sensing range</p> <p>38 tones</p> <p>For different places to use</p> <p>Our alarm kit is ideal for use at home, office, factory, store or shopping mall.</p> <p>Wireless</p> <p>The sensor range is 3-7 meters vertically</p> <p>With Ringtones</p> <p>There are 38 different ringtones. You can adjust it using the switch on the side of the receiver. And the volume can also be adjusted.</p> <p>commercial use</p> <p>home use</p> <p>detective</p> <p>anti theft</p> <p>Home Security Alarm</p> <p>Diaper Bell</p> <p>Passage Alarm</p> <p>Anti-theft Alarm</p>