Red wire connects input positive electrode、 white line connects output positive electrode (that is load positive electrode)、 black line connects negative. Negative line controls indicator light.
Widely used in various types of electrical equipment such as flashing lights、 fog lights、 ceiling lights instantaneous power、 etc.
Dimensions: 1.97 in x 1.97 in x 1.18 in (5.0 cm x 5.0 cm x 3.0 cm) Weight: 1.34 oz (38 g)