Discover our range of loud industrial doorbells designed for noisy environments. With a wireless range of up to 900 metres in open field conditions, these systems use powerful bells or sirens to ensure every alert is heard. Built for durability, both the alert units and wireless buttons are suitable for indoor and outdoor use. Ideal for factories, workshops and large sites, these doorbells can cover multiple access points with additional buttons and alert stations.
Protect-800 Wireless Siren & Strobe Kit (by Ultra Secure): Can be used as a Panic (SOS) Alarm. Can be used as a Commercial Doorbell. Adjustable Siren (tone, volume & duration). Blue Flashing Strobe Light. 800 metre Wireless Range. Fully Weatherproof. Expandable (multiple boxes can be used). Black Battery Push Button. 12v Plug in Transformer Siren...
Protect-800 Wireless Commercial Doorbell, includes: Adjustable Siren (tone, volume & duration). Blue Flashing Strobe Light. 800 metre Wireless Operating Range. Fully Weatherproof. Expandable (multiple boxes can be used). Battery Please Ring Black Push Button. 12v Plug in Transformer Siren Box. Simple & Quick Installation.
Our Long Range (900 metre) Wireless 'S' Range Siren & Flashing Strobe System, supplied with a Wireless Adjustable Siren with Flashing Strobe Light, Heavy Duty Push Button (with please ring etched onto it) & Battery Transmitter.
Our Long Range (900 metre) Wireless 'S' Range Loud 118 Decibel Siren & Flashing Strobe System, supplied with a Wireless 6-tone 118 Decibel Siren with Flashing Strobe Light, Heavy Duty Push Button (with please ring etched onto it) & Battery Transmitter.
Protect-800 2 Channel Siren & Strobe Alarm: Panic (SOS) Alarm. Entry Alert. Panic Alarm & Entry Alert. 2 x Adjustable Sirens (tone, volume & duration). 2 x Flashing Strobe Lights (red & blue). 800 metre Wireless Range. Fully Weatherproof. Expandable (multiple boxes can be used). Battery Push Buttons. 12v Plug in Transformer Siren Box....
Protect-800 2 Channel Siren & Strobe Alarm: Panic (SOS) Alarm. Entry Alert. Panic Alarm & Entry Alert. 2 x Adjustable Sirens (tone, volume & duration). 2 x Flashing Strobe Lights (red & blue). 800 metre Wireless Range. Fully Weatherproof. Expandable (multiple boxes can be used). 2 x Battery Black Push Buttons. 12v Plug in Transformer...
Protect-800 2 Channel Commercial Wireless Doorbell: 2 x Battery Weatherproof Push Buttons. Sirens with Blue & Red Flashing Strobes. Fully Adjustable Duration of Sirens & Strobes. Adjustable Siren Tones & Volume. 800 metre Wireless Range. Fully Weatherproof. Expandable (multiple boxes can be used). 12v Plug in Transformer Siren Box. Simple...
Protect-800 2 Channel Commercial Wireless Doorbell: 2 x Battery Weatherproof Black Push Buttons. Sirens with Blue & Red Flashing Strobes. Fully Adjustable Duration of Sirens & Strobes. Adjustable Siren Tones & Volume. 800 metre Wireless Range. Fully Weatherproof. Expandable (multiple boxes can be used). 12v Plug in Transformer Siren Box....
Protect-800 Wireless Commercial Doorbell, includes: Adjustable Siren (tone, volume & duration). Blue Flashing Strobe Light. 800 metre Wireless Operating Range. Fully Weatherproof. Expandable (multiple boxes can be used). Battery Please Ring Push Button. 12v Plug in Transformer Siren Box. Simple & Quick Installation.
Protect-800 Wireless Siren & Strobe Kit (by Ultra Secure): Can be used as a Panic (SOS) Alarm. Can be used as a Commercial Doorbell. Adjustable Siren (tone, volume & duration). Blue Flashing Strobe Light. 800 metre Wireless Range. Fully Weatherproof. Expandable (multiple boxes can be used). Battery Push Button. 12v Plug in Transformer Siren Box....