the doorbell rang

... Wireless Video Dog Barking Deaf Light / Bell for Front Door Features: *Quick access via app (automatically wakes u...

... of features and benefits to make your home environment more secure and comfortable. With a of up to 300m, the Wireless Waterproof Door...

...connect with several receivers, one receiver which also can contact with different buttons 4.A Clear Sound, 5 Levels Volume Call Ring The ...

... Audio Only 300m For House And Office Specification Material:ABS Color:Silver/Golden/Black/Customized color for mass order P...

... battery replacements and reduce environmental battery pollution with this eco-friendly wireless . --【Extended and Strong Signal】 Thi...

... your home easier and provide peace of mind. This features photosensitive technology which is sure to capture clear images in any lighting...

...phone intercom wifi doorbeel smart ring video 1. Parameter Image Sensor 1/2.9” Progressive Scan CMOS Effective Pixels 1920(H)×1080(V) Foc...

Product Description Thank you for choosing our company's voice thermometer, This product is a new type of ai voice thermometer ,suitable for school,of...

... micro speaker for precision device use speakers General specifications: Impedance 8 ohm Rated power 1 Watt Max. power 1.5 Watt SPL s...

... Power Switch, Kill Switch or any circuit controls. Also great for electronic DIY projects - The push button switch operate at temperatures ...

... Smart Locks for Office Doors Door Lock Overview With Wi-Fi, you can receive real-time notifications. Know exactly when someone unlocks or...

ONVIF IP65 Outdoor Ip Video Door Entry Smart Ip Video Doorbell Intercom Camera Support SIP Smart sip intercom offers a range of functions for communic...

Single Door Access Controller Standalone Access Control Proximity With EM Card Product Overview MA door access control keypad is of single door metal ...

Dimensions L37*W37*H8.5mm Range 50 meters(in open space) Standby time 5-6 months Buzzer 90-95dB Indicator red LED Battery 1*CR2032 Frequency 2.4G Wate...

... transmission mode Support Wireless/ Wired Frequency 2.4G WiFi Camera Supported 4 Channels Connection Mode Repeater(Optional) Wireless Doorbe...

... of applications. Smart home cameras, video , drones, and IoT devices benefit from its wide dynamic , strong low-light sensitivity, a...

... lithium Battery Flat thin lithium Primary battery high energy 850mAh stable voltage performance Maintenance free green energy Li-MnO2 batt...

...: 1250mAh ; 2. Nominal voltage: 3.0V; 3. Max constant discharge current: 300mA ; 4. Max pulse current: 600mA; 5. Operating temperature : - 20°...