+++++order<$18 no tracking(only can tracking in china),but the shipping time is the same.+++++

Specifications:

MAINTENANCE INSTRUCTIONS

1. Clean caliper bar with dry cotton fabrics before using in order to avoid mad display of caliper caused by humidity,

2. Keep the caliper clean and dry (Liquid can damage the slider),

3. Faces should be cleaned gently with cotton fabrics. Never use petrol, acetone and other organic solutions.

4. In order to save power, turn of the unit when caliper is going to stay idle for some time.

5. Never apply and electric pressure on any part of the caliper and never use an electric pen for the fear of damaging its chip.

6. For other notes please refer to the conventional calipers.

7. Accidental wrong display may happen while replacing the battery, just take outthe battery and the put it in again after more than 30 seconds until the display returns to normal