CRAT IOT 4G remote control real-time minitoring safe big padlock for TELECOM/Power industry/Station
1. Voice+LED Prompt
2. Storage：16MB (expandable)
3. Encryption：AES
4. Key head: Unipolar communication patent technology
5. Communication：Type-C & Bluetooth
6. Battery：250mAh (rechargable)
7. Low Power Prompt
8. IP65
CRAT authorized key unlock passive padlock