Motion Alarm, Wsdcam Wireless Driveway Alarm Systems Door Sensor Entry Alert Chime for Home Security

DUAL DETECTOR - The motion sensor alarms include PIR motion detectors and microwave radar sensors. Alarm is triggered only when something detected by both two sensor. This is great for preventing false alarms.Suitable for entry alert chime, doorbell chime,door open chime for home, mailbox alert, door bell for visitor, garage door monitor, driveway alarm.... ADJUSTABLE VOLUME & 11 RINGTONES - 4 levels volume adjustable from 25~110dB for personal preferences,11 Ringtones: 8 Chimes + Siren alarm + Birdsong + Mute and flash light. With 4 levels lightness for the mute and flash light mode. Wireless driveway alarm detects movement from humans, cars, and large animals ALLOWED TO EXPAND - Each receiver can sync with 8 sensors and each sensor can add more receivers for complete coverage of your perimeter. Match different chimes with different sensors around your property to differentiate where driveway alarm wireless motion is being detected. Or you can distinguish multiple entrances by different light color of receiver, 8 sensors correspond to 8 colors RELIABLE RANGE -?The transmission range of sensor detects motion up to 950ft and detection range of the infrared sensor approximately 26ft to effectively keep you alerted. When the movement is detected by the sensor,the receiver will make an audible sound and the LED light will flash. IP64 Waterproof. Suitable for indoor and outdoor EASY TO INSTALL & PORTABLE - As for the receiver, no wiring needed, no installation hassles, self-adhesive installation, the detector is wall mounted. Use batteries or micro USB power supply. Before using, please read the manual carefully and put in batteries, adjust the sensor's angle to avoid false alarming.