Signal strength detection.
Low battery alarm.
Temperature measurement.
Frequency hopping function and two-way communication technology
Cloud update and automatic recovery from update failure.

Specifications:
Model Number	DA-ARA12-W2-868
Port
Indicator Light	1 x green alarm indicator
Button	1 x power button
Function
Tamper Alarm	Yes
Remote Upgrade	Cloud Update
Test Mode	Yes
Low Battery Alarm	Yes
Search	Signal Strength Detection
Wireless
Carrier Frequency	868.0 MHz–868.6 MHz
Communication Distance	Up to 1,000 m (3,280.84 ft) in an open space
Communication Mechanism	Two-way
Frequency Hopping	Yes
Encryption Mode	AES128
General
Power Supply	2 × CR123A batteries
Power Consumption	Max. 240 mW
Operating Temperature	–10 °C to +55 °C (+14 °F to +131 °F) (indoor)
Operating Humidity	10%–90% (RH).
Product Dimensions	81.0 mm × 81.0 mm × 26.0 mm (3.19" × 3.19" × 1.02") (L × W × H)
Packaging Dimensions	135.0 mm × 98.5 mm × 56.8 mm (5.31" × 3.88" × 2.24") (L × W × H)
Installation	Bracket mount
Net Weight	105 g (0.23 lb)
Gross Weight	175 g (0.39 lb)
Certifications	CE
Battery Life	2.5 years in working status (triggered twice every week and alerts 120 s for each triggering)
Sound Pressure	≥ 105 ± 3 dB\1M
Casing	PC + ABS
Temperature
Measuring Range	–15 °C to +65 °C (+18.8 °F to +149 °F) (indoor)
Measuring Precision	± 1 °C (± 33.8 °F)
Resolution	1 °C (33.8 °F)
Audio/Video Parameter
Volume Adjustment	3 volume levels

Through our logistic partners we are able to deliver to most areas in the UK on a next business day service.
Our standard cut off time on the website for standard next day delivery is 4pm but you will still be able to call our sales team anytime up to 4:30pm to place an order.
We also offer a premium next day pre 12pm and pre 10:30am service to these areas as well as a Saturday and Saturday pre 10:30am delivery. For areas outside of here, such as the Highlands, Isle of Man and Channel islands we are able to provide a 2 business day service.

For orders outside of the UK please call 0121 663 6151 to speak to a member of the team who will be able to assist you.