Vigilant scales & services manufactures supplies electronic tabletop weighing scales, of class iii medium accuracy. These microcontroller-based scales are of high quality standards, employing the best quality load cells. The aaccuracy ranges from 0.1 g in a 1 kg scale to 5g in 30 kg scale. For still better accuracy, scales are made with dual range where the total weighing capacity is split into two ranges with variable accuracy. Built-in features includethere is auto zero tracking and auto calibration. Optional features include: the weighing scales is automatically rechargeable, maintenance-free battery backup for up to 6 hours standby during power failure. It has, front and back display indicators on body or on stainless steel pole, price computing with printing facility, piece counting, rs232 port for pc compatibility and several other. All scales are guaranteed against manufacturing defects for a period of 12 months. .