Battery-free bell push, portable USB powered chime ( can be powered by USB adapter, PC, power bank, etc ). 150 extra long range. Instant plug & use.

各位媽媽最怕 BB 瞓晏覺既時候有人禁門鐘，門鐘聲一響。驚動到 BB 一定喊到媽媽都心痛，有狗狗嘅主人就最怕門鐘響，之後狗狗就吠吠吠！唔想咁樣 ?? 只要有『動 L 門鐘』就可以解決依個煩惱，首創閃燈模式，可以靜靜咁一閃一閃通知

Wire-free security for every door. Capture a more complete picture of your property with Arlo Essential Wire-Free Video Doorbell.

Eco-friendly wireless doorbell with a battery-free bell push. Go greener, and never miss any visitor nor worry about running out of battery.

Hopewell 300 米特強無線門鈴 ( 插電式，1 按 2 響 ) DB-11 內含1 按掣 + 2 門鈴套裝, Hopewell 300 米特強無線門鈴 ( 插電式，1 按 3 響 ) DB-21 內含1 按掣 + 3 門鈴套裝。

各位媽媽最怕 BB 瞓晏覺既時候有人禁門鐘，門鐘聲一響。驚動到 BB 一定喊到媽媽都心痛，有狗狗嘅主人就最怕門鐘響，之後狗狗就吠吠吠！唔想咁樣 ?? 只要有『動 L 門鐘』就可以解決依個煩惱，首創閃燈模式，可以靜靜咁一閃一閃通知

可靠而時尚，我們的門鈴傳遞穿透信號，並伴隨著期待已久的改造，與您的內飾融為一體。

Hopewell 200 米強力無線門鈴 ( 電池式 ) DK-1 ， DK-11 兩款型號均配備52 首鈴聲，4 級音量調校，附響鬧指示燈，而DK-11更是1 按掣 + 2 門鈴套裝。

Hopewell 200 米強力無線門鈴 ( 電池式 ) DK-1 ， DK-11 兩款型號均配備52 首鈴聲，4 級音量調校，附響鬧指示燈，而DK-11更是1 按掣 + 2 門鈴套裝。

Eco-friendly wireless doorbell with a battery-free bell push. Go greener, and never miss any visitor nor worry about running out of battery.

Hopewell 300 米特強無線門鈴 ( 插電式，1 按 2 響 ) DB-11 內含1 按掣 + 2 門鈴套裝, Hopewell 300 米特強無線門鈴 ( 插電式，1 按 3 響 ) DB-21 內含1 按掣 + 3 門鈴套裝。

Hopewell 200 米強力無線門鈴 ( 插電式 ) DE-161，DF-221，DF-331 三個型號均配備58 首鈴聲，4 級音量調校，附響鬧指示燈，DF-221及DF-331更採用智能免電池按掣，環保節能。

Never miss anyone coming through your door and secure your home. Alarm sounds off when movement is detected by the motion sensor.

Hopewell 150m EXTRA Mini Battery-Free Plug-In Wireless Doorbell DBF-M2 is battery-free version of our compact wireless doorbell series, starring a trimmed-down chime that takes up less space.

Hopewell 260m ULTRA Mini Plug-In Wireless Doorbell DB-M3 form meets function. A compact series of our premium wireless doorbell, starring a trimmed-down chime that takes up less space.

Reliable and sleek. This wireless doorbell features outstanding penetration, along with a revamped design that blends in with your interiors.

300 米特強接收及穿透力，獨立編碼無誤鳴，52 首鈴聲，4 級音量調校，附響鬧指示燈， 可用作門鈴、召喚鈴、老人 或 兒童看護鈴。

Wireless Video Doorbell with Radar Sensor, 2K Ultra HD 5MP Doorbell Camera with Chime, Rechargeable 5000mAh Battery, Free 8GB Local Storage, Human Face Detection, IP66 Waterproof, Works with Alexa.

Arlo Video Doorbell is designed to capture what traditional video doorbells can’t. Get notified when motion is detected and receive a call on your phone when your doorbell is pressed.

內置暖白光感應夜燈，附光暗及動態感應器，於黑暗環境及偵測到動態時自動亮起 30 秒，如持續偵測到動態的話，則會持續亮起，偵測範圍：3 米；垂直 / 水平 180°。