详细说明
Product Name: ES-S03 Smoke Alarm with Good Quality Model NO.: ES-S03 Alarm Volume (within 1m): ?80dB Transmission Mode: Wireless Working Principle: Electro-Acoustic Style Application: Indoor Certification: CE, RoHS Working Mode: Active Signal Transmission: Wireless Alarm Type: Home Alarm Power Sourse: DC 9V Working Temp: -10
