Smoke and Heat Multi-Sensor Alarm Powered by a 10 Year Lithium Battery ESP Espire ES1MUL Battery Powered -10 Year Sealed Battery Auto Sensor Test - Alarm Self-Checks Sensor Interconnect Alarms Through Optional RF-Link Module Hush Function - Silences An Alarm Activation For 10 Minutes Lock-In Base Grade F1 Installations The Espire ES1MUL is a battery-powered multi-sensor alarm that detects both smoke and heat, providing dual-layer fire protection in a single compact device. With a 10-year sealed lithium battery, it operates independently without mains power, allowing flexible placement throughout your home. The integrated auto-sensor test continuously monitors both detection mechanisms, guaranteeing consistent reliability. RF-Link interconnection enables seamless communication between multiple units, creating a coordinated alarm network for comprehensive coverage. The hush function silences activation for 10 minutes when needed, and the secure lock-in base ensures stable installation. Certified to Grade F1 standards, this space-efficient solution eliminates the need for separate detectors. Developed by Espire and supported by Scolmore Group's distinguished expertise in electrical innovation, it combines advanced detection technology with straightforward installation for dependable fire safety across your property. . Brand ESP Recommended Installation Locations Living Areas, Loft Areas, Bedrooms, Escape Routes & Stairways Battery Type Lithium Colour White Decibel Rating 85 dB[A] @ 3 m Depth 60.5mm Diameter 132mm Guarantee 5 Years Material UL94-V0 Rated UV Stabilised ABS Temperature range 0°C to 40°C Mounting Ceiling Weight 0.253 Shape Round Test Facility Yes Sensor Type Multi Sensor- Sensor 1: Optical Smoke Sensor 2: Heat