Doorbell product size (mm) : 91x52.5X26mm. Voice intercom :3m. The doorbell base should be fixed on the wall, door, etc. The purpose of the film is to fix the doorbell base, if the screws can be drilled, the installation will be more secure than the film.
eBay
OM-M4/3 Adapter Ring for Olympus OM Lens to Micro 4/3 Mount camera Camera OM-D E-M5 E-PM2 for Panasonic G1 G2 G3 GF5 GF6 GX1
Aliexpress UK
Note: The jingle is powered on, but the doorbell doesn't ring. Dial the jingle first and then plug it in. Press the function key on the jingle to see that the prompt light is flashing. Press the doorbell, and when the doorbell rings, the pairing is successful.
eBay
K&F CONCEPT 18pcs Camera Lens Filter Step Up/Down Adapter Ring Set 37-82mm 82-37mm for Canon Nikon Sony DSLR Camera Lens
Aliexpress UK
Note: The jingle is powered on, but the doorbell doesn't ring. Dial the jingle first and then plug it in. Press the function key on the jingle to see that the prompt light is flashing. Press the doorbell, and when the doorbell rings, the pairing is successful.
eBay
EYSDON M42 To A-Mount Camera T Ring Adapter for Sony or Minolta Cameras Connect Astronomic Telescopes Photography
Aliexpress UK
And identifying strangers. And it provides the wired option that you will have no worries about battery life. 1 Doorbell Receiver. Other Functions: Alarm, 2-way Audio on the phone APP, Remote wake up/PIR wake up.
eBay
Camera Lens Filter Step Up/Down Adapter Ring Set 37-82mm 82-37mm for All DSLR Camera Lens Mount Set Kit 9pc 18pc
Aliexpress UK
To Dear buyer, Our Shipping conditions: Attention: The goods will be shipped from UK Delivery time: 2 to 3 working days - Support 60 days return policy - Reply within 24 hours Description： 【Smart】: Doorbell APP control, intelligent working mode, portable. Light weight, easy to install and remove (support 2.4G WiFi). 【WiFi Connection】: Without cables, realizes two-way intercom between doorbell and mobile phone. Real-time mobile phone, supports two-way calls, photos, recordings, caring for your family makes you more at ease. .
eBay
1/4 Strap Screw D Ring Camera Screw Mount 1/4 Inch Quick Release Plate Screw Adapter For The Camera Photography Accessories
Aliexpress UK
Long Standby: No disassembly cycle charging. Built-in lithium-ion high-capacity battery, long standby. Capture Screen: Storage to the cloud, security protection drip. Doorbell Battery Capacity: 1000mAh.
eBay
JJC LH-X100 Square Lens Hood For FUJIFILM Fuji X100VI X100V X100F Cameras Lens Hood With Cap And Adapter Ring Camera Accessories
Aliexpress UK
Support TF card expansion, press the doorbell can automatically save the screen, video. Doorbell size: about 10.5 4 2cm. Doorbell weight: about 70g. 1x Doorbell. 1x Doorbell film. Visual two-way intercom function.
eBay
49/52/55/58/62/67mm Macro Reverse Lens Adapter Ring For Lecia L Mount Camera Aluminum Alloy Camera Accessories
Aliexpress UK
2x Dingdong machine. first ding dong plugged into the power, press the doorbell ding dong will ring, confirm the doorbell and ding dong whether the pairing status. Fully protected against Dusts and withstands low-pressure water jets from all directions.
eBay
37-82 82-37mm Step Up & Down Camera Lens Filter Ring Adapter for Fujifilm Andoer Canon Nikon Sony DSLR Camera Lens Accessories
Aliexpress UK