SMD 427 PG2 Wireless Smoke and Heat Detector Features:

• Modern design suitable for residential and commercial applications
• Activates an alarm when the temperature reaches 60?C (140?F) and starts increasing rapidly
• Loud (85db) alarm sound at 3m (10ft)
• Longer battery life of up to 5-8 years (according to the battery type) and easy battery replacement
• 3V lithium battery type
• Internal sensitivity test button
• Audio and visual sensitivity degradation indicators notify when the sensor needs to be cleaned
• Simple wall or ceiling installation, with bracket
• Back tamper
• Fully certified by the most strict and demanding international standards for safety products in Europe (EN14604 for smoke detectors)