High-decibel alarm sound.
Supports 3 shortcut alarms: Medical, fire, and emergency.
Arm/Disarm with password or IC/desfire card.
Supports searching for system’s status.
Frequency hopping function and two-way communication.
Cloud update and automatic recovery from update failure.

Specifications: 
Model NumberDA-ARK30C-RW2-868
Function 
Indicator light4 indicators (External power supply, arming/disarming, fault, and alarm)
Button20 buttons (10 digital buttons and 10 function buttons)
Buzzer2 × built-in buzzer
Arm and DisarmPassword; IC/desfire card
Remote UpgradeCloud Update
TamperYes
Low Battery AlarmYes
Measuring Range (Temperature) –10 °C to +55 °C (+14 °F to +131 °F)
Technical 
ScenarioIndoor
Operating Current1.6 A (Max), 20 uA (Standby) (Battery 3 V);
0.77 A (Max), 1.6 mA (Standby) (12 VDC)
Sound PressureMaximum: 95 dB(A) at 1 metre
Minimum: 73 dB(A) at 1 metre
Wireless 
Carrier Frequency868.0 MHz–868.6 MHz
Transmitter Power (EIRP)Limit 25 mW
Communication MechanismTwo-way
Communication Distance1,600 m (5249.34 ft)(alarm transmission)
Encryption ModeAES128
Frequency Hopping

Yes

General 
LanguageSupport 16 languages: English, Italian,Spanish,Russian,French,German,Portuguese,Polish,Danish,Czech, Bulgarian, Dutch,Greek,Spanish_Europe,Turkish,Slovak.It is set as English by default.
Power Supply12 VDC/4 × CR123A battery
Battery ModelCR123A
Standby Time3 years (the heartbeat cycle is set as 1 minute by default. It will last 3 years if it is operated 2 times per day, with each intervallasting 1 minute.)
2 years (When the relevant function is enabled, The heartbeat cycle is set as 1 minute by default. It will last 2 years if it is operated 2 times per day, with each interval lasting 1 minute.)
Power Consumption4.8 W (Max), 0.20 mW (Standby)
4.8 W (Max), 0.33 mW (Standby,When the relevant function is enabled)
Operating Temperature-10 °C to +55 °C (+14 °F to +131 °F) (indoor)
Operating Humidity10%–90% (RH)
Product Dimensions170.0 mm × 129.0 mm × 31.2 mm (6.69" × 5.08" × 1.23")
Net Weight390 g (0.86 lb)
Gross Weight665 g (1.47 lb)
InstallationWall mount
Casing MaterialPC + ABS
Appearance ColorWhite
Certifications

CE

AccessoryIncluded: 2 IC cards
Anti-corrosion LevelBasic Protection
Storage Temperature–10 °C to +55 °C (+14 °F to +131 °F)
Storage Humidity10%–90% (RH)
Packaging Dimensions

214.0 mm × 162.0 mm × 57.0 mm (8.43" × 6.38" × 2.24")

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.

Part Number DA-ARK30C-RW2-868
Brand Dahua
Colour White
Range Dahua AirShield