Comfort LED is available under the settings then general on the Yale App.

You can set the light to flash however this can drain battery life so instead of 12/18 months life span you may have 8/12 months with the light on.

The external siren is powered by four alkaline D batteries which have a life of 18-24 months on average.

The Yale Smart Alarms work on a very secure rolling code frequency of 868MHZ which offers a more stable connection and helps prevent anti jamming devices.

The Yale App will allow you to request images at anytime and not only when the alarm is triggered.

All components for the alarm systems are battery powered only. They do not have the facility to be wired into the mains electricity.

The Yale Smart Home Alarm Series has a built in rechargeable battery located in the hub and all contacts work with standard batteries so in the event of a power cut your alarm and its key features would be fully operational.

Accessories for each alarm kit cannot be swapped because the boxes are security sealed. You may prefer to order the Yale Smart Home Alarm Kit - SR-320 and add the Yale Easy Fit PIR Video Camera as an accessory when you add the alarm to the basket. Yale do not currently supply dual technology motion sensors.

The door sensors use V3 Lithium batteries. The PIR motion detectors and cameras take AA batteries. Both devices include batteries and they should be replaced every 18 months on average.

You can programme the alarm to part arm 2 separate zones. However, you can not put the alarm on a timer setting.

Using your Yale APP, a photo can be taken at anytime even when the device is not triggered. The product YL-EF-PC can only take still images. If you would like the option to record videos, I can recommend the Yale Easy Fit PIR Video Camera.

Yes, they can be used on most patio doors (this does depend on the door itself) please make sure that once the Door Contact is fitted there is no more than a 10mm gap between the contact and sensor.

No, the Smart Hub is not counted as one of the 20 components.

Any motion would trigger the alarm. Post falling through the letterbox would activate the alarm if the PIR was facing the front door.

The IA-340 is the most recent model with a 200 meter range and is also compatible with Amzon Alexa.

The Push Notification will not let the user know which of the PIR sensors has been triggered, just that the alarm has been activated.

The system will allow you to set 2 zones, meaning you can choose specific components, such as the siren, to remain inactive when armed.

The alarm system uses a rolling code / frequency technology to prevent interference from 3rd party systems or devices.

The viewing angle is 110 degrees horizontal.

The normal wireless range is 30 meters but this would be reduced slightly due to the thickness of the walls in your home.

The camera can capture an image or record a 10 second video. The images or video can then be viewed on your SmartPhone using the Yale Smart Home Alarm App and stored on the device the app is used on.

Unfortunately there is no constant record function or facility to connect the Yale Alarm Series to an NVR box. Once photos have been taken, they will be sent directly to your smartphone.

All the alarm systems are provided with one Active Siren Box only. These are not available to order as an additional accessory.

The camera provides a high quality 320 by 420 pixel image with a 15 meter range, including night vision.

If a code has been set on the keypad this can be used to arm and dis-arm the system, there is also the option of the Yale Easy Fit Keyfob that can be added to the system as an accessory.

The Yale Easy Fit and Smart Home Alarm systems are delivered only and are installed on a DIY basis.

The Yale Smart hub needs to be connected to the mains, the accessories and external alarm are all battery operated.

All PIR sensors for this kit are designed for corner mounting as standard.

The app is only suitable for use UK registered phones.

The images are sent too and stored on your mobile device.

The Alarm system will still be active without an internet connection but you would not get the email or text notifications advising of an activation until an internet connection is established.

This model was launched in June 2016.

Yes the power switch can be used without activating the alarm.