Its 100 hour rechargeable battery guaranties steady and consistent usage even in places without a nearby electric outlet. The TCS scale model comes equipped with large LCD screens with include a backlit to clearly show the weight of portioned items even in dark areas. The on-board memory includes 100 price memories and eight direct access keys that will allow you to easily weigh and sell your most demanded products. The RS-232 data port allows a PC or printer to connect easily to the scale.