Set of 6 brand new Firex (Kidde) KF20 optical smoke alarms. Mains powered (230V) with 9V battery backup. Ideal for landlords, electricians or anyone replacing existing Firex/Kidde units. Key features: * Optical sensor (detects slow, smouldering fires) * Alarm memory function * Dust compensation and bug screen (reduces false alarms) * 85dB alarm output (at 3 metres) * 6-year manufacturer warranty Technical: * Operating temperature: 0°C to 40°C * Humidity: up to 93% RH (non-condensing) * Compliant with BS EN 14604 All units are brand new, unused and in original packaging. Please note: these are hardwired alarms and typically installed by a qualified electrician. Selling as a bundle of 6.
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