Inquiry (采购产品): HotSpot 1 Hi, I would like to know if there are demo units of the HotSpot that I could rent before making a purchase? Feel free to contact me at 925-413-3501 **** Hidden Message ***** Gary Tham 399 Lindbergh Ave. Livermore, CA 94551 USA Company: Ultracell Corp Phone: 925-455-9400 E-mail: gtham@ultracellpower.com **** Hidden Message ***** gtham@ultracellpower.com