Housing/Blade: Plastic UL 94-O P.B.T. Insulation Resistance: 10M Ohm, 500VAC/min between bare wire and frame. Dielectric Strength: 5mA max.500VAC/min between bare wire and frame. Operation Temperature: -20 ℃~ 70 ℃ (Humidity 15%-90% RH). Storage Temperature: -40 ℃~ 85 ℃ (Humidity 15%-90% RH). Lead Wire :UL 1007 #24AWG. Weight: 56 g.