\"Description:-- The Wireless Home Alert Security System is an easy to install and DIY home security system, which is perfect for your office, apartment or house. Rest in absolute easy! The driveway alarm provides a solution to alert you the moment someone enters your property. It is convenient and most importantly, with an affordable price. When motion is detected, the passive infrared (PIR) sensor sends a wireless signal to the receiving unit up to 70m away. There are 38 ringtones and 3 volume levels, and a silent LED flash.---Feature:- Special design and beautiful appearance.- Simple operation, attaching it wherever you want.-The infrared sensor detects motion and sends a signal to the receiver.- Wireless installation, just place the sensor at the entrance.Send an audible chime sound, alerting you that someone is approaching.--- Specifications:- Condition: New- Receiver Working Voltage: 110V-240V- PIR Sensor Working Voltage: 4.5V (3 AAA batteries)- Plug: EU Plug- Receiver Switch Setting:- 1) Music Source: 38 different songs for optional, Use the external button \"\"music\"\" to finish- 2) The volume adjustment function: There are three kinds of volume (high, middle, low) for choice- 3) Adjust the sound and silence- Working Range: Up to 70 meters- Infrared Sensing Distance: 3-7 meters- Color: White- Material: Plastic- Receiver Size: Approx. 7.2 * 2.4 * 7.7cm / 2.8 * 0.9 * 3in- PIR Sensor Size: Approx. 5.8 * 3.9 * 7.6cm / 2.3 * 1.5 * 3in- Weight: Approx. 157g ---Follow the steps for usage:-1. Put the correct batteries into the detector.-2. Make sure the batteries have been put in the correct positions.-3. Mount the detector properly by the front door, window frame, driveway, walkway, backyard or anywhere you need.-4. Then turn on the receiver and adjust the volume to high or low position.-5. Now the remote detection system works with infrared detection technology.-6. Place the receiver in an easy-to-reach place.-7. When the detector detects motion, the receiver will make an audible sound and the LED indicator will flash.-8. Wait 30 seconds after the detective and receiver are turned on to activate.-9. Please install both units above 3 feet to the ground for optimal performance.--Helpful Tips:-Do not place the detective in areas where wind will move it. Also try to keep the detective in a clear path to the receiver, so that you can get optimal performance. ---Care and Maintenance Portion:-1. Importance: Please keep the detector receiver in sheltered places to avoid the contact of both devices with water and direct sunlight.-2. When the LED indicator does not light up, the battery is low or dead. At this time, you should change the batteries.-3. Clean the detective regularly with a damp cloth to avoid blocking the sensor by washing small particles.-4. Try to keep it in areas where it will not get wet. In addition, during heavy storms and snowfall, it is recommended to move the unit indoors or to a safe place.-5. Never try to disassemble the units.-6. When the device is not in use, remove all batteries, clean both units, and store the units in a dry and cool place.-7. This device is not a toy and should be kept out of reach of children.---Package Included:1 x PIR Sensor;1 x Receiver;1 x Mounting Straps;1 x Instruction Manual"