Anyone use one of these Brooder Lamps/thermostat?

[KYBOY]

Im just curious if anyone uses his type of brooder lamp with thermostat? My main question is how about the bulb life with constant off/on cycling? Also curious about the thermostat being on top away from the heat source?
http://cutlersupply.com/zen_new51/index.php?main_page=product_info&cPath=2_72_73&products_id=345

 

[aart]

Link didn't work for me.

 

[my sunwolf]

Link didn't work for me.

x2 me neither