1. Material: zinc alloy 2. Weight: 12g 3. Scope of application: mountaineering, camping, hiking, etc. 4. Small and light in appearance, easy to use. 5. Accurate positioning, clear scale, wearable design. 6. With a key chain, it can be hung on a school bag or worn on the chest, suitable for traveling. 7. Retro style design, exquisite appearance, automatic opening, easy to carry.
