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MULTIPURPOSE motion activated sensor chime door alarm mailbox alert retail bus... MULTIPURPOSE motion activated sensor chime door alarm mailbox alert retail business welcome doorbell cordless fall and Wander pet cat dog monitor alarm. Perfect for Caregivers It is perfect for the elderly or people with inconvenient behavior. It can... more

The following magnetic alarm entry door bell kits can only sound an alarm: -Al... The following magnetic alarm entry door bell kits can only sound an alarm: -Alarm Sensor -Alarm Bell+Alarm Sensor The following magnetic alarm entry door bell kits can choose to output music or alarm sound: -Music Sensor -Alarm Bell+Music Sensor -Alarm... more

Product Description: Outdoor warning distance:10m Indoor warning distance:20m ... Product Description: Outdoor warning distance:10m Indoor warning distance:20m Induction speed:30ms Contact capacity:AV/ 30V/0.5mA Operating Voltage:12-24V Material:PC Size:7.5*4.9*2.5cm/ 2.95*1.92*0.98 1. Anti-glare up to 50 000 LUX built-in automatic... more

Net Weight: 44g; Package Content: 2 Sets x Magnetic Door Switch, Some Screws S... Net Weight: 44g; Package Content: 2 Sets x Magnetic Door Switch, Some Screws Size: 6.4 x 2.0 x 1.3cm/2.5" x 0.78" x 0.52"(L*W*H); Product Name: Magnetic Door Switch Color: White;Induction distance:15mm Material: Plastic Working Voltage: DC 100V Surface… more

Net Weight: 21g; Package Content: 1 x Door Magnetic Reed Switch Size: 23 x 23m... Net Weight: 21g; Package Content: 1 x Door Magnetic Reed Switch Size: 23 x 23mm / 0.9" x 0.9"(H*D); Product Name: Door Magnetic Reed Switch Color: Brown; Material: Plastic Working Voltage: DC 100V Cable Length(Each): 36cm/14" NO NC type designed for use… more

Country of Manufacture: CHINA; Material: Plastic, Electronic Parts; Net Weight... Country of Manufacture: CHINA; Material: Plastic, Electronic Parts; Net Weight: 23g Package Content: 1 x Magnetic Door Switch Sets, Installation Screws; Type: /; Rated Voltage: DC 100V Rated Current: 500mA; Rated Power: /; Wire Length: / Main Color:… more

Vistreck Tuya WiFi Garage Door Opener Intelligent Remote Controller Sensor Sup... Vistreck Tuya WiFi Garage Door Opener Intelligent Remote Controller Sensor Support APP Voice Controller Compatible with Home Features: Remote Controller: Intelligent garage door opener can help you open and close your garage door easily adding more... more

Meterk Tuya WiFi Garage Door Opener Intelligent Remote Controller Sensor Suppo... Meterk Tuya WiFi Garage Door Opener Intelligent Remote Controller Sensor Support APP Voice Controller Compatible with Home Features: Remote Controller: Intelligent garage door opener can help you open and close your garage door easily adding more... more

Delivery Time:Goods Shipped From China Expect 7-15 Days To Receive The Package... Delivery Time:Goods Shipped From China Expect 7-15 Days To Receive The Package LED Intelligent Door Lock Cabinet Key Induction Small Night Light Sensor Lamp Specification: 100% Brand new and high quality Auto-sensing LED door lock light use the human... more

LED Intelligent Door Lock Cabinet Key Induction Small Night Light Sensor Lamp ... LED Intelligent Door Lock Cabinet Key Induction Small Night Light Sensor Lamp Specification: 100% Brand new and high quality Auto-sensing LED door lock light use the human body infrared sensor technology and light automatic detection technology. When... more

Description: 1.NO means Normally Open:when the magnet separate the circuit is ... Description: 1.NO means Normally Open:when the magnet separate the circuit is not conductive( light on );When the magnet together the circuit is conductive ( light off ).When make order pls check carefully! 2.These are the door contact sensors that are... more

Description: 1.NC means Normally Closed:When the magnet together the circuit i... Description: 1.NC means Normally Closed:When the magnet together the circuit is conductive( light on ); when the magnet separate the circuit is not conductive ( light off ). When make order pls check carefully! 2.These are the door contact sensors that... more

Features: - Self-adhesive easy to install and operate. - The 108 dB loud alarm... Features: - Self-adhesive easy to install and operate. - The 108 dB loud alarm prevents intruders from entering through your door/window. - Low battery warning when the battery needs to be replaced the LED will flash once per second. - 4 in 1... more

Description: 1.NO means Normally Open:when the magnet separate the circuit is ... Description: 1.NO means Normally Open:when the magnet separate the circuit is not conductive( light on );When the magnet together the circuit is conductive ( light off ).When make order pls check carefully! 2.These are the door contact sensors that are... more

Description: 1.NC means Normally Closed:When the magnet together the circuit i... Description: 1.NC means Normally Closed:When the magnet together the circuit is conductive( light on ); when the magnet separate the circuit is not conductive ( light off ). When make order pls check carefully! 2.These are the door contact sensors that... more

Description: 1.NC means Normally Closed:When the magnet together the circuit i... Description: 1.NC means Normally Closed:When the magnet together the circuit is conductive( light on ); when the magnet separate the circuit is not conductive ( light off ). When make order pls check carefully! 2.These are the door contact sensors that... more

When a door opens the SMPL Wander Alert Wireless Door Sensor sends out a real-... When a door opens the SMPL Wander Alert Wireless Door Sensor sends out a real-time alert to a portable alarm. Caregivers can be in different locations around their home and property and still monitor a loved one. This wireless door sensor works within... more

Features: 120dB super loud alarm ringing frightens thieves away more secure in... Features: 120dB super loud alarm ringing frightens thieves away more secure in use. Easy operation simple one-button switch control doorbell/alarm double mode can be selected. With this alarm installed in your house office factory when the doors and... more

Product Name: Door Reminder Product color: White Material:ABS Gross weight: 0.... Product Name: Door Reminder Product color: White Material:ABS Gross weight: 0.22lbs/0.100kg Product Dimensions: /3.15x3.15x1.10inch/8x8x2.8cm Packing size: 3.94x3.54xx1.97inch/10x9x5cm Customisable voice recording reminder unlimited language settings... more

Features: 100% and excellent quality. 120db ultra loud alarm ringing. Adopts A... Features: 100% and excellent quality. 120db ultra loud alarm ringing. Adopts ABS material lightweight antirust and durable. When you install the touch sensor in your house office or factory it will ring to alarm once children open the doors and windows... more