{"product_id":"other-dinsafer-helio-wireless-outdoor-siren-dosh4","title":"Dinsafer Helio DOSH4 Wireless Outdoor Siren – 115 dB, IP54 \u0026 36-Month Battery Standby","description":"\u003cp\u003eThe Dinsafer Helio DOSH4 is a wireless outdoor siren built as an accessory for the Helio smart alarm system. Its 115 dB output at 30 cm is designed to be heard at distance and deter potential burglars. A red lens with configurable prompt-tone and light settings adds a visible alarm indicator.\u003c\/p\u003e\u003cp\u003eThe siren uses three D (LR20) backup batteries included in the box, with up to 36 months of standby time depending on usage and battery quality. An optional DC 12 V external power supply can supplement or replace the batteries. The anti-tamper function and core microprocessor protect the unit against physical interference. When the battery is low, the Helio app sends a replacement notification to the user.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e115 dB siren output at 30 cm\u003c\/li\u003e\n\u003cli\u003eIP54 weather protection for outdoor use\u003c\/li\u003e\n\u003cli\u003eAnti-tamper protection\u003c\/li\u003e\n\u003cli\u003eBackup battery: 3 × D (LR20), up to 36 months standby\u003c\/li\u003e\n\u003cli\u003eOptional DC 12 V, 1 A external power supply\u003c\/li\u003e\n\u003cli\u003eWireless transmission at 433.92 MHz, up to 1000 m without obstacle\u003c\/li\u003e\n\u003cli\u003eConfigurable prompt tone and light indicator (red lens)\u003c\/li\u003e\n\u003cli\u003eLow battery app notification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Benefits\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e115 dB output at 30 cm is sufficient to alert neighbours and discourage entry without additional amplification\u003c\/li\u003e\n\u003cli\u003eIP54 rating protects the electronics from dust and splashing water, allowing permanent outdoor mounting\u003c\/li\u003e\n\u003cli\u003e36 months battery standby removes dependence on mains wiring for the backup supply\u003c\/li\u003e\n\u003cli\u003eThe anti-tamper alarm triggers if the unit is forcibly opened or removed from its mount\u003c\/li\u003e\n\u003cli\u003ePC+ABS+Anti-UV housing resists UV degradation, extending outdoor service life\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e DOSH4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e DC 12 V, 1 A (optional)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackup Battery:\u003c\/strong\u003e 3 × D (LR20) dry cell (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Standby Time:\u003c\/strong\u003e 36 months (depending on usage and battery quality)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmission Distance:\u003c\/strong\u003e Up to 1000 m (without obstacle)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandby Current:\u003c\/strong\u003e ≤110 μA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking Current:\u003c\/strong\u003e \u0026lt;450 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSiren Volume:\u003c\/strong\u003e 115 dB @ 30 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLens Colour:\u003c\/strong\u003e Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking Temperature:\u003c\/strong\u003e -20°C to +60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP Grade:\u003c\/strong\u003e IP54\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTamper Protection:\u003c\/strong\u003e Supported\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Material:\u003c\/strong\u003e PC + ABS + Anti-UV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (L×W×H):\u003c\/strong\u003e 277.5×234×75 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhy You'll Love It\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eThe three D-cell batteries are included in the box — the siren is ready to mount and pair without a separate battery purchase\u003c\/li\u003e\n\u003cli\u003eVisible red-lens strobe provides a clear alarm indicator even in daylight, supplementing the audio alert\u003c\/li\u003e\n\u003cli\u003eThe Helio app replacement reminder means the backup battery is never silently depleted between manual checks\u003c\/li\u003e\n\u003cli\u003ePairs with the Helio ecosystem: the main panel controls activation automatically when any sensor in the system is triggered\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Other","offers":[{"title":"Default Title","offer_id":56579028877694,"sku":"225021","price":123.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/2250\/3550\/files\/15675204501886.webp?v=1779636952","url":"https:\/\/lynk.gr\/en-nz\/products\/other-dinsafer-helio-wireless-outdoor-siren-dosh4","provider":"Lynk.gr","version":"1.0","type":"link"}