Heat Alarm Powered by a 10 Year Lithium Battery ESP Espire ES1HL 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 ES1HL is a battery-powered heat alarm designed for dependable fire detection in kitchens and high-temperature environments. Powered by a 10-year sealed lithium battery, it operates independently without mains connection, offering flexibility in placement. The automatic sensor test function continuously validates alarm integrity, whilst the hush feature provides a 10-minute silence option during false activations. Connect multiple units via the optional RF-Link module to create an integrated detection network across your property. The robust lock-in base ensures secure, stable mounting. Certified to Grade F1 standards, this alarm delivers professional-grade protection with straightforward installation. Engineered by Espire and supported by Scolmore Group's proven expertise in electrical innovation, it represents a reliable choice for comprehensive fire safety. . Brand ESP Recommended Installation Locations Kitchen Areas, Garages & Loft Areas 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 0.227 Shape Round Test Facility Yes Sensor Type Heat