Photoelectric ≥85 dB@3 m (for 1 minute) Alarm sound level ≥82 dB@3 m (more than 4 minutes)
供電
3 VDC
Operation temperature
-10 ℃ to 55 ℃ (14 °F to 131 °F)
Operation humidity
≤95% no condensing Without packaging: 161.4 g Weight With packing: 250 g With packaging: 123 mm × 121 mm × 73 mm Dimension (W×H×D) Without packing: φ 160 mm × H 50 mm