Doppler Effect Microwave Motion Sensor Compatible with Raspberry Pi and Arduino Motherboard. The microwave motion sensor is a microwave moving object detector designed by the principle of Doppler radar.
eBay
eBay
Type: PIR Infrared Motion Sensor. 1 × PIR Infrared Motion Sensor. Perfect forindoor and outdoor use, it’s ideal for hallways, garages, gardens, offices, and entrances. ✅Infrared Detection Technology – Senses body motion and automatically turns lights or alarms on/off.
eBay
1/2 Mile Long Range Wireless Driveway Alarm- Outdoor/Indoor Motion Sensor&Detector-Diy Security Alert System- 1 Receiver and 3 Sensor Kit. WIDE RANGE OF APPLICATIONS : The wireless weather resistant motion sensor can be used to monitor&protect your outdoor/indoor property.
eBay
1 x infrared PIR motion sensor switch. You can comfort to let the light auto on / off. Adjust the light soft and stable, no flickering. Nail Art Decoration. Material: PC plastic case + steel bracket color.
eBay
Transmitting Power 20dBm EIRP Launch Frequency Density 5mW/cm2. Brown and Yellow cable: AC/DC 12V-24V. 1 x Micro Wave Sensor. Detection Mode Motion Min Detection Speed 5cm(1.97in)/s. Installation Height Max.
eBay
② 24hours Ultrasonic+flashing. ③ sound+flashing at night. ④ 24hours sound+flashing. with 13 built-in sounds: Dog Barking Gunshot/Wolf howl/Gong knocking sound/Eagle calls/Firecracker sound/Lion Roar/Pig Squeal sound/Explosion sound/Didi alarm sound/Car horn sound/Alarm sound/Bell sound/Whistle Siren sound (play in a loop).
eBay
1) 17-chord music chip and 40mm loud speaker for pleasant and louder alerts Remote transmission range up to 280m/ 918ft in open space. 2) 4 independent LEDs to distinguish sensing zones, with the option to synchronize sound alerts 3) 5 stages adjustable volume from 113 ~ 25dB. 4) Infrared + microwave radar composite dual detection for lower false alarm rates 5)Added silent and vibration reminder.More privacy,no disturbance ,vibration reminder for discreet alerts 6)Expandable.The receiver can learn from up to 32 wireless sensors like PIR motion, magnetic or vibration sensor as well as up to 8 remote controllers. 7) Low battery indication. Both the sensor and receiver can be powered by battery or plugged into a USB interface. 8) IP66 Waterproof ideal for outdoor use.
eBay