Communication(Optional)：for Zigbee 3.0/2.4G Wi-Fi. 1 Human Presence Sensor. Stationary detection range：0~600 cm. Moving detection range：0~1000 cm. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
WiFi or Zigbee Water Leak Sensor Tuya Alarm Flood Leak Detector Smart Home Life APP Water Alert Overflow Alarm Security System
Aliexpress UK
This Zigbee senosr and detector can not work standalone without gateway. 1 PIR Motion Sensor.
eBay
Tuya Smart Zigbee Ultrasonic Liquid Level Water Real-time Tank Monitor Sensor APP Monitor Water Level Alarm Notification
Aliexpress UK
Tuya Zigbee Human Presence Detector Smart Life MmWave Radar Pir Motion Sensor with Luminance Distance Detect Monitor Breathing. Using Mmwave 5.8GHz Radar, radar for more accurate detection. Zigbee version need TUYA Zigbee Hub to operate.
eBay
WiFi/Zigbee Water Sensor Tuya Leakage Alarm Flood Leak Detector Smart Home Life APP Water Alert Overflow Alarm Security System
Aliexpress UK
This product is Zigbee version, Users must have/already bought a zigbee hub to operate. If without a zigbee hub, then such model will not work. 1xWiFi PIR Motion Sensor(Not include battery). [Third-party voice support] This sensor supports Amazon Alexa.
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Tuya WiFi 433MHz Smart Light Switch Rf Wireless Glass Panel Wall Switch Touch Button Sensor Switch Remote Control 85-220V Timer
Aliexpress UK
Connection: WiFi/ ZigBee(optional). Illumination Range: 0-1000LUX. 1x Light Sensor. Easy to install, it can be directly attached to the wall. Mini and lightweight, and it does not take up space. Working Temperature: 0-50℃.
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Door Window Wireless Burglar Alarm with Magnetic Sensor Alarm 108dB High Volume Door Open Detectors Home Security Device
Aliexpress UK
✔️ Tuya Smart App. 🛡️ Zigbee 3.0 PIR Motion Sensor – Smart Infrared Human Body Detector. 🔹Zigbee 3.0 Protocol. ✔️ Amazon Alexa (via Zigbee Gateway). ✔️ 1x Zigbee 3.0 Motion Sensor. 🔹Advanced PIR Infrared Detection.
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KERUI M5 32 Songs Wireless PIR Motion Sensor Door Bell Shop Visitor Alert Chime Alarm Burglar Doorbell for Office/Home Security
Aliexpress UK
2.4GHz WiFi -Key Connect Easy Setup,2.4G Hz protocol is more stable, faster and more convenient. 1 for Smart sensor（optional wifi or ）. Protocol:IEEE 802.11b/g/n Wifi. Also, it can associate 2 device sot work to creat your own scene and shart your devices to others directly.
eBay
KERUI D121 120dB Wireless Door/Windows Sensor Alarm 300ft Anti-Theft Smart Remote Control For Kids Cabinet Safety Home Security
Aliexpress UK
★NOTE: Our Tuya series products include WiFi and Zigbee versions. The Zigbee version needs to be used with the Tuya Zigbee gateway. Note: This product needs to be used with tuya ZigBee3.0 gateway！. 1 Zigbee3.0 Human Body Sensor.
eBay
KERUI Wireless Burglar Alarm System Home Alarm W202 Tuya Smart WiFi GSM Alarm for House With Motion Detector Door Sensor Alexa
Aliexpress UK