Specifications: Wattmeter relay: 0 to 100W in four steps : 0 to 10mW-1W-10W-100W & signal can be attenuated up to 40dB. In four steps of 0-10-20-30- 40dB. & Load that can be given to a audio & radio signal is from range 3 ohm to 10K ohm in ten steps i.e. 3.6,8,16,50,78,600,1K,2K,5K & 10K ohm
