110V-240V Wireless Doorbell Infrared PIR Sensor Motion Detector Entrance Doorbell with Receiver and Transmitter EU/US Connect Hot Sale Features: 1. Wireless doorbell to remind guests to arrive by beautiful songs. 2. 38 songs to choose from and can be changed at the touch of a button. 3. Easy to use, just place the sensor at the entrance of the driveway and the receiver inside the house. 4. Great for home, office, hotel, shop etc. 5. Alerts you when someone enters your driveway, walk, door or business, such as guests, vehicles, intruders, pets or children arriving or leaving. Specifications: Condition: 100% brand new and high quality Material: plastic shell Receiver working voltage: 110V-240V Transmitter working voltage: 4.5V 3x AAA batteries (not included) Working range: up to 70 meter oacute;w Infrared sensing distance: 3 -7 meter Controlled by receiver button: Music source: 38 different songs Volume control: high, middle, low Voice: can be set with light and voice/with light and without voice Plug: US Plug, EU Plug (Optional)(Please pay attention if it is suitable for your country standard) Type 1: 2 receiver and 1 transmitter Type 2: 1 receiver and 2 transmitter (optional) ) Transmitter: Approx. 80*59*45mm/3.15*2.32*1.77inch Receiver: Approx. 76*80*33mm/2.99*3.15*1.30inch Weight: Approx. 226-237g How to use: 1. Place the appropriate batteries in the detector. 2. Make sure the batteries are placed in the correct positions. 3. Mount the detector properly at the front door, window frame, driveway, walk, yard or wherever you need. 4. Then turn on the receiver and adjust the volume to high or low. 5. Now the remote detective system works with infrared detection technology. 6. Place the receiver in an easy to place position. 7. When the detector detects motion, the receiver will be audible and the LED light will flash. 8. Please wait 30 seconds after turning on the detective and receiver to activate. 9. Please install both units 3 feet above ground level for optimal performance. How to care and maintain: 1. Please keep the detector and receiver in sheltered places to avoid both units from water and direct sunlight. 2. When the LED indicator does not turn on, the battery power is low or dead. You should change the batteries at this time. 3. Clean the detector regularly with a damp cloth to avoid dirt or any small items from blocking the sensor. 4. Try to keep it in places where it won't get wet. Additionally, during heavy storms and snowfall, it is recommended to move the unit indoors or to a safe place. 5. Never attempt to disassemble units. 6. When the device is not in use, remove all batteries; Clean both devices and store them in a dry, cool place. 7. The device is not a toy and should be kept out of the reach of children. Package includes: 1 * Wireless Doorbell Transmitter and Receiver Set with Accessories