Small and light weight.Specifications:- Contact form: SPST normally open- Coil Resistance: 1050ohms- Nom Volts: 12 - Pickup Voltage: 8.4V DC- Rated Current: 11.4mA - Allowable Voltage: 160%- Dropout Voltage: 1.2V DC - Carry Current = 500mA.- Power Consumption (W): 0.1 - Contact Rating: 1A- 12 VOLT