All models include: THP0301-Y/B/M/G 300 MHz 10X passive probes, lithium-ion battery with 7-hour battery life, carrying handle, hanging strap, USB-A to mini USB-B cable for PC communication, Installation/Safety manual, documentation CD 1, AC power adapter with power cord, ACHHS soft-sided carry case (standard with non-TK, optional for - TK models), OpenChoice desktop PC communication software, calibration certificate documenting traceability to national metrology institute(s) and ISO9001 quality system registration, three-year warranty. TK models also include: hard-sided travel case (instead of soft case), soft-sided probe case, 2 probe replacement accessory kits.