- KNSP-08 Outdoor waterproof telephone
- 2017-01-20 03:43
- The Weatherproof phone will be designed to work on Railway, metro, tunnel, etc. Housed in robust aluminum die case with
- KNSP-01 Industrial emergency telephone
- 2017-01-20 03:43
- The Weatherproof phone will be designed to work on Railway, metro, tunnel,etc. Housed in robust aluminium die case with