1. Material: ABS Engineering Plastic.
2. Combinations available as per request.
3. Beautiful colours, beautiful shape.
4. Easy to assemble.
5. Resistant to water, resistant to corrosive.
6. Transport conveniently.
7. No need of power supply, suitable for different environments.
8. Create your own passwords, lost of key is not concern anymore.
9. Three numerical passwords, memorable, economical, practical.
10. Master keys available in case of user key is lost or during emergency.