Is there a setting that allows you to zap intruders in the groin with some kind of laser?

There is a secret code for that yes. You have to set it to disruptercon 4 and activate the discombobulator mode. This will then allow the door contact to laser intruders in the groin. Disruptercon 3 turns on head mode (makes a mess) Hope this helps!👍🏻

What happens if there is Power loss or internet loss?

There is an internal battery that will allow the alarm to operate during a power cut. If there is Internet loss you can still operate the alarm via the keypad

Are these sensors waterproof?

Although they are not waterproof, I have had one fitted for nearly a year outside covering our drive to the side of the house. I have fitted with a plastic covering over the top to prevent rain from hitting the unit, and it has been absolutely fine so far.

Can the keypad be placed anywhere? or does it need to be powered by mains?

It's battery powered and can be placed anywhere. The batteries are said to last up to 2 years and it is the cr2302 type.

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Yale AC-DC Sync Alarm Door/Window Contact - Sync Smart Home Alarm - 200m range

Yale AC-DC Sync Alarm Door/Window Contact - Sync Smart Home Alarm - 200m range

Product ID: 81774371

Details

Brand
Yale
Color
White
Compatible Devices
Philips Hue of
Item dimensions L x W x H
49.21 x 98.03
Power Source
AC

📶200m wireless range

🔋Battery-powered, no wiring

🔔Instant real-time alerts

Rp1728198

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Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔐 Lock in peace of mind with Yale’s smart, sleek security.

TRUSTED LEGACY - Backed by Yale’s 180+ years of home security expertise.
SEAMLESS SYNCING - Effortlessly pairs with Yale Sync Alarm via app for total control.
EXPAND YOUR FORTRESS - Add up to 40 accessories to customize your smart security ecosystem.
TAMPER PROOF SECURITY - Detects unauthorized door/window openings and triggers alarms instantly.
WIRE FREE INSTALLATION - No cables needed—stick or screw it anywhere in minutes.

The Yale AC-DC Sync Alarm Door/Window Contact is a compact, battery-powered sensor that wirelessly connects up to 200 meters with the Yale Sync Smart Home Alarm. It provides tamper-proof security by instantly notifying you via the Yale Alarm app when doors or windows are opened. Easy to install without wiring, it supports up to 40 accessories for a fully customizable smart home security system, backed by Yale’s trusted legacy since 1840.

Specifications

ASIN	B07961NG5F
Batteries	1 Lithium Metal batteries required. (included)
Batteries Required?	Yes
Batteries included?	Yes
Battery Cell Type	Lithium
Best Sellers Rank	5,756 in DIY & Tools ( See Top 100 in DIY & Tools ) 9 in Home Security Door & Window Sensors
Colour	White
Customer Reviews	4.6 4.6 out of 5 stars (1,195)
Date First Available	21 Jan. 2018
Delivery information	We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.
Guaranteed software updates until	unknown
Included Components	1x Door/Window Contact, 1x Fixing Pack, Batteries included
Item Package Quantity	1
Item Weight	70 g
Item model number	AC-DC
Manufacturer	Yale
Measurement System	Metric
Number of Pieces	1
Part Number	AC-DC
Pattern	Single
Power Source	Battery
Product Dimensions	1.5 x 4 x 7.5 cm; 70 g
Size	Door/window contact
Style	YALE DOOR/WINDOW CONTACT

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