*What is the difference between (for tuya version) and (for Z2M version) ?
For tuya version: you can use it for tuya zigbee gateway ,use for tuya app or for smart life app,or for z2m.
For Z2M version : You can use it for zigbee2mqtt on home assistant ,not work for ZHA .

*What is the difference between (2 In 1) and (3 In 1) ?
2 In 1: Zigbee motion sensor with luminance detection
3 In 1: Zigbee motion sensor with luminance detection,with temperature and humidty detection .

*What is the difference between this 10g mmwave motion sensor and other pir motion sensor ?
Answer: This 10g mmwave motion sensor is built-in 10g mmwave radar ,detect the human motion.
Please kindly know that it is not a presence sensor nor PIR sensor .

Product Name : Human Motion Sensor
Battery Type:2pcs*LR03/AAA(Not included）
Wireless Protocol: Zigbee3.0 (need to work with zigbee gateway)
MW Frequency:10.525GHz
Detection Angle:110°±10°
Detection Distance:0.5~10meter（z axis）
Luminance Meter:0~3000Lux
Temperature Resolution :0.1°C
Humidity Resolution :1%
Temperature Measurement Accuracy:±0.3°C
Humidity Measurement Accuracy:±3%
Working Voltage: DC 3.0V
Standby Current ：≤80uA
Standby Time:≥8 Months
Working Temperature:-10°C~55°C
Working Humidity : max 99%RH
*Temperature and humidty parameters,products with only temperature and humidty sensor (only additional version have this function )

Attention : Do not support for alexa nor google assistant .It is a 10G MMwave motion sensor ,not a presence sensor

【Zigbee Bridge/Zigbee hub/Zigbee gateway Required】:The sensor must work with one zigbee bridge;
【Advanced Motion Sensor】 detects human body or animals that are moving, <120° detection angle, 0.5-10m detection distance, can achieve real-time monitoring day or night. Sensitive sensing of human/pet movement. Excellux Global store.

【Luminance/ Light Detection】: With luminance detection motion sensor ,app can detect the brightness and display the estimated lux value.

【Temperature & Humidity Detection】:Additional version , With luminance detection and Temperature & Humidty function motion sensor ,app can detect your house and home real time temperature and humidity
【Emergency Alert Push Function】 When there is movement detected, the alert notifications will be pushed to your phone, be aware of what's happening at home even when you're away.
【History Records Tracking】 You can track the history of sensor activities. Excellux Global store.
【Strong Performance & Ultra-long Standby Time】 Long transmission distance, high sensitivity, and strong network signal. Ultra-long standby time. Battery is not included .
【Intelligent linkage and enjoy the new life】: Smart Home Automation. Create Smart Scenes.It can be connected to the zigbee smart gateway to link with other zigbee smart products in the home . Excellux Global store.