1. About this product: - Reliable distance range: The communication range is up to 300 meters/1000 feet (distance between the sensor and the receiver/alarm/ringtone), and the detection range is up to 8 meters (distance between the sensor and the detected object). - Adjustable volume and modes: The alarm volume can reach up to 100dB, with 3 alarm options (high - volume ringtone/low ringtone/alarm) and 3 mode options (flashing/LED/sound and LED flashing). - Various applications: It is very suitable for notifying you with a small warning before guests or intruders arrive. You can expand the home alarm system to 5 sensors or 5 receivers as needed. - Installation tips: Place the PIR sensor in a free space near the receiver. Do not place the sensor in a place where the wind can move it. Adjust them or change the detection angle for optimal performance. - Power supply: The receiver can use 3 pieces of 1.5V C - type batteries (not included) or a power adapter (not included), and the sensor can use 3 pieces of AAA batteries (not included). Never use C - type batteries and the power adapter at the same time. 2. Product description - Dimensions: 1 receiver with 2 motion sensors | Color: White driveway safety alarm set. - The driveway alarm is a convenient and cost - effective way to alert you when someone breaks in. When an object is detected, the PIR sensor will send a signal to the receiver up to 300 meters away, keeping you informed and ensuring your safety. 3. Features: - Operating distance: 300 meters (in open air without obstacles). Motion detection range: 5 - 8 meters. - Sound: ≥100 dB (at 5 meters). - PIR detection angle: 45 degrees. - Protection level (PIR sensor): IP44. - Power supply (receiver): 3 pieces of 1.5V C - type batteries / DC 6V adapter (not included). - Power supply (PIR sensor): 3 pieces of AAA batteries (not included). 4. Notes: - Do not install the PIR sensor in direct sunlight (PIR detects moving heat sources) or in a windy place. - Avoid installing the PIR sensor and the receiver near any metal objects. - When installing the sensor outdoors, it is best to install it in a shady and wind - sheltered place to minimize temperature changes. - The ringtone of the receiver may be affected by metal structures, walls, and other devices of the same frequency. 5. Package contents: - 1 x Receiver. - 2 x PIR sensors. - 1 x User manual. - 4 wall plugs and screws.