The Smartwares RM250 smoke detector features a 5-year battery for reliable, long-term fire protection. It is battery-powered, measuring 100 mm in diameter and 35 mm in height, and designed for easy installation. Ideal for residential and commercial use, this VdS-certified smoke alarm provides wireless operation to enhance safety in various environments. https://elecena.pl/product/28706017/smartwares-rm250-smoke-detector-5-year-battery-85-db-mute-button 2025-05-16 https://elecena.pl/product/28706017/smartwares-rm250-smoke-detector-5-year-battery-85-db-mute-button 2026-07-03