Overview Highlights Easy to install,simple to use,no complicated steps Energy saving and environmental protection,stable performance Frequency range:20-75Hz Voltage range:60-500V AC Accuracy:+/- 2% Key Attributes Dimensions (Length x Width x Height) 8cm x 4cm x 4cm weight 0.04kg Stock Location Country of Origin Brand SUNSKY Shipment Information Weight per item 0.04 kg Dimensions per item (LWH) 8 x 4 x 4 cm Carton weight 0.04 kg Carton dimensions (LWH) 8 x 4 x 4 cm Pieces per carton 3 Stock location Product Description1. Easy to install,simple to use,no complicated steps2. Energy saving and environmental protection,stable performance3. Frequency range:20-75Hz4. Voltage range:60-500V AC5. Accuracy:+/- 2%6. Ambient temperature:0-50 degrees Celsius7. Opening size:22mm8. Overall size:about 2.8 x 5.1 x 2cm