The Speed Tracker Tire Pressure Monitor has an easy and convenient battery replacement feature.
This product provides spare parts in case you need to replace the battery.
Product Specifications:
Model: 603035
Voltage: 3.7v
Size: 600mAh
Weight: 20g
Type: Lithium
Product Dimensions: 5.2 x 4.21 x 0.31 inches (13.2 x 10.7 x 0.8 cm)