Review (1/5): can only supply 1.6 amps, very slow charge iPads and Tablets, gets crazy hot
A few problems
first - the maximum output current is 2 amps - if you draw more than that, the output voltage drops quickly to zero. So the 2.4 amp spec is not accurate at all.
second the power supply is rated for 12 watts - but at 2 amps - the device takes 14 watts from the source - so you need to lower the max output current need to 1.75 amps to avoid overloading the injector.
third, the device is using 12 watts input to deliver 8.75 watts output. So it is losing 1/4 of the energy!!! It gets extremely hot with a 8.75 watt load.
fourth, if you power a iPad or tablet - the maximum current is 0.5 amps - too little for normal operation. see photos
finally - if you use it at 100 ft - the power loss with a 24v source is 4x higher than with 802.3af - so the cable loss is almost one watt- so at 100 ft - the maximum load is 1.6 amps - 8 watts
Amazon item B0167JHY3I works much better