Navig8 Travel Digital Scales. Navig8 accurate, backlit Digital Scales are suitable for weighing luggage up to 40kg and helping to avoid excess baggage charges. 1.Remove plastic battery sleeve to engage connection. 2.Attach scale strap using clip to bag handle. 3.Press once to switch on scale and select Kgs or Lbs. 4.With digital reading zero, lift baggage off the ground and wait for scale to beep. 5.Weight is then displayed on LED indicator. Ref: UTWI2381