Ajax HomeSiren White - Compact Home Siren

Product Downloads

Product Specsheet

Ajax HomeSiren White

Part No: SD420W

Manufacturer SKU#: 38111.11.WH1

View Similar Products in Alarm Systems

Regal Account holders please Sign Up or Login to view pricing

Product Specifications

Sound volume level: Adjustable 81 - 105dB at a distance of 1m
Alarm length: Adjustable 3 - 180sec
Battery: 2 x CR123A batteries 3V
Battery life: up to 5 years
Up to 2000m in an open space (in a perfect environment)
Protection class: IP50
Certification: Grade 2 CE
Dimensions: 75 X 76 X 27mm

You may also be interested in

Securi-Prod Quad Piezo - Maxi Bomb

Securi-Prod Piezo Quad Maxi Bomb

Operating voltage: 6 - 12VDC Typical current drain: 130mA at 12VDC High efficiency Polarity protected 118 dB at 1 meter

Part No:SD29

Sentry - M5 Superhet Receiver Module (433)

Sentry - M5 Superheterodyne Receiver Module (433)

Power Source: 9-24 VDC Frequency: 433.92MHz Receiver Type: Superheterodyne Physical Size: 52 x 21mm Weight: 10g Storage Temp: -10 C to +55 COperating Temp: 0 C to 40 C Operating Humdity:

Part No:SW108-10

Special Order

Centurion D5 / D10 / A10 Oil 75ml

Centurion Gate Motor D5 / D10 / A10 Oil 75ml

D5/ D10/ A10 gearbox Oil

Part No:GA25-2

Sentry - 4 Button Code Hopping Transmitter 433 Nova Compatible

Sentry - 4 Button Code Hopping Transmitter 433 Nova Compatible

Nova Compatible Extended Antenna Power Supply - Internal Battery 12V GP12 (L1028) Frequency: 433.92MHz Dimensions: 65 x 35 x 14mm

Part No:SW107-21

Roller Shutter - NC Aluminium

Securi-Prod Roller Shutter N/C includes Mounting Bracket

Die-cast zinc constructed for surface mounting NC circuit Weather-resistant A flexible 300mm stainless steel armour plate which gives complete pro'

Part No:MC26

Fence Pole - 8Line Square Tube Angled Black Shield Insulator

Nemtek Fence Pole - 8Line Square Tube Angled Black Shield Insulator

Square tube Straight and angled 8 lines 1195mm long Additional insulators can be added onto the back to create 9 or 10 lin Powder coated finish Associated insulator: shield insulator Available in black

Part No:EF11-8

PIR - Optex HX40 Wired Outdoor Dual Wide Angle

Optex PIR HX40 Wired Outdoor Dual Wide Angle

Mounting height 2.5m to 3m Intelligent AND detection logic Dual signal processing circuit Summer night compensation logic Advanced temperature compensation logic Vegetation sway analysis logic Double conductive shielding Ideal detection area setting Adjustable detection length Spot area flexible masking 180 angle adjustable bracket / hood

Part No:BD71

Poly Wire Ecostop SS3 200m

Nemtek Agri Poly Wire Ecostop SS3 200m

Durable design with a reinforced structure increases the lifespan of t The electric fence wire is easier to collect when the system needs to For small size fences

Part No:EF63-2

Special Order

Wisnetworks 5GHz Outdoor Wireless Omni Antenna 13dBi (with pigtails)

Wisnetworks 5GHz Outdoor Wireless Omni Antenna 13dBi (with pigtails)

Integrates with NW210 Base Station Gain: 13dBi 360 degree Omni Directional Antenna Ideal for Short Range Point to MultiPoint Setups

Part No:NW224-3

Hikvision IP PTZ 4MP TandemVu 200m IR 32X IP66

Hikvision IP PTZ 4MP TandemVu 200m IR 32X IP66

PTZ TandemVu Camera 4MP 4mm Fixed Lens 4MP 32X Optical Zoom 200m IR Illumination 30m Whitelight 24VAC & Hi-PoE IP66

Part No:CC469-11

Idemia Morpho Identification licence - (1:20 000) - Software

Idemia Morpho Identification licence - (1:20 000) - Software

Operation : When using server identification with MSO

Part No:LK425-3

Special Order

access-control-fundamentals-18-august-2025

Access Control Fundamentals-18-August -2025

EZVIZ CB1 Battery Powered Wi-Fi 2MP Camera

EZVIZ CB1 Battery Powered Wi-Fi 2MP Camera

WiFi Camera 1080p Resolution Indoor Camera Human Detection 5m IR Illumination 1600mAh Rechargeable Batter (Up to 40 days life) Micro SD Card slot (supports up to 512GB)

Part No:CC599-15

Hacksaw Blade Shatterproof 24T

Hacksaw Blade Shatterproof 24T

Eclipse high speed steel with edge hardened blade 300mm x 12.5mm x 0.63mm with 4mm pinhole diameter 24 teeth per inch

Part No:HW70

Solar Cable 6mm (Black and Red) - 20m

Solar Cable 6mm (Black and Red) - 20m

Solar Cable 6mm Red and Black 20m

Part No:CB95-8

Gemini Capacitor 10/12uF 400VAC AC

Gemini Capacitor 10/12uF 400VAC AC

Capacitor 10/12uF 400vAC

Part No:GA88

Hanwha X-Series Dome 5MP 50m IR 3.9-9.4mm MVF Lens IP66

Hanwha X-Series Dome 5MP 50m IR 3.9-9.4mm MVF Lens IP66

Part No:CC1645-1

Special Order

Securi-Prod Magnetic Contact Wide Gap - NC Grey

Securi-Prod Magnetic Contact Wide Gap - NC Grey

For use with loosely-fitted and misaligned doors and windows NC circuit The magnet will operate in almost any direction Gap width: 35mm take and 55mm break

Part No:MC31