Name: GCTL SECURITY
Address: House : 42, Road : 10, Sector-4 , Uttara Model Town, Dhaka, 1230, BD
Telephone: 01847213868
Price range: BDT 15000 to BDT 1500000

Smanos WS-20 Outdoor Wireless Siren – 105 dB Wireless Alarm

The Smanos WS-20 Outdoor Wireless Siren is a battery-powered, fully wireless outdoor alarm accessory delivering a loud 105 dB siren with flashing strobe and weather-proof housing, ideal for enhancing home or business security in Bangladesh.

Key Features

100% wireless design: operates on 4 × C-cell batteries with up to 2 years battery life, enabling flexible installation anywhere outdoors.
Powerful 105 dB siren plus built-in strobe light for immediate visual and audible deterrence of intruders.
Weather-proof and durable IP-rated housing (IP55 in some specs) for reliable outdoor use under rain or sun.
Tamper-proof switch: triggers alarm and notifies the system if the siren unit is removed or tampered with.
Wireless transmission ranges up to approx. 80 m in open space, effective for many residential and commercial site set-ups.

Technical Specification

Specification	Detail
Model	WS-20
Siren Sound Level	105 dB
Power Supply	4 × C-cell (1.5 V each) batteries (included)
Battery Life	Up to 2 years (typical)
Wireless Frequency	868 MHz (EU) / 915 MHz (US/AU) approx.
Wireless Range	Up to ~80 m (in open space / 2 walls)
Weather-proof Rating	IP55 / outdoor rated
Operating Temperature	-20 °C to +50 °C approx.
Size / Dimensions (approx)	25 cm × 23 cm × 7.2 cm (per one spec)
Housing Material	PC + ABS with anti-UV finish

Smanos WS-20 Outdoor Wireless Siren – 105 dB Wireless Alarm

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Smanos WS-20 Outdoor Wireless Siren – 105 dB Wireless Alarm

Key Features

Technical Specification