4-Channel UHF RFID Reader Writer with Antenna, MODBUS Passive Temperature Sensor Reader for Electric Power Monitoring, RFID Reader with Antenna Features1. 4-Channel UHF RFID Temperature Reader: Simultaneously monitor up to 4 antennas for efficient, wide-area coverage.
eBay
EWelink ZigBee Water Leak Sensor Detector Flood Water Leakage Alarm For Kitchen/Bathroom eWelink App Control Need Zigbee Gateway
Aliexpress UK
Solid steel frame, vandal-proof and tamper-proof, up to 1,000 users (and transponder code) programmable. Alternatively, only with a keypad or transponder code. Transponder or keyboard can be used together. Each transponder is assigned to a space. Some transponders are thus deleted in case of loss! RFID is called radio frequency identification, and contact or non-contact radio transmission. RFID tags are microchips with receiving and transmitting antenna, the battery its 14-digit code can be transmitted. Each transponder contains a unique, unchangeable code that is burned in production. The code is located in the database Operation: The performance of the transponder is transmitted to the code and compared with the entries in the database. If the code is known, the sensor output is activate.
eBay
Zigbee Door Window Magnetic Sensor Open Closed Alarm Detector Ewelink APP work With Alexa Google Need Gateway Black White Color
Aliexpress UK
4-Channel UHF RFID Reader Writer, MODBUS Passive Temperature Sensor Reader for Electric Power Monitoring, RFID Reader Features1. 4-Channel UHF RFID Temperature Reader: Simultaneously monitor up to 4 antennas for efficient, wide-area coverage.
eBay
2-YEAR BATTERY LIFE: One CR-123A battery provides monitoring for 730 days. FOR DOORS AND WINDOWS: Small and compact design fits onto any door or window frame. 100-DECIBEL SIREN: If a forced entry is detected, a siren as loud as a jackhammer will be...
eufy UK
◆If there are no special circumstances, your product will not be delayed in arrival.
eBay
Protection That Lasts: The included battery provides up to 2 years of power for round-the-clock security. Extensive Coverage: Detects motion within a 100° field of view up to 30 feet away—more than enough to secure an entire room of your home....
eufy UK
40+ programmable key fobs
eBay
Protection That Lasts: The included battery provides up to 2 years of power for round-the-clock security. Extensive Coverage: Detects motion within a 100° field of view up to 30 feet away—more than enough to secure an entire room of your home....
eufy UK
Dual Cameras, Double Security: Two cameras work together to deliver advanced viewing. The front-facing camera focuses on people, while the downward-facing camera fills in the gaps with a view of the floor in front of your door. Color Night Vision...
eufy UK
Stainless Steel Exit Button Push Switch Door Sensor Opener Release for Magnetic Lock Access Control
Aliexpress UK
Ewelink Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works With Zigbee2MQTT Alexa Google Need Gateway
Aliexpress UK