Bluetooth: Ble4.0;

Broadcast: The interval is 2s. After starting up, the product will be broadcast until the battery runs out;

Function: Major config,Minor config,UUID config;

Key: One button to switch;

Performance: Products waterproof,cold-proof,shock-proof and high-temperature resistance.

Tamper design: The product has anti-stripping design, the program through the software lock makes it unreadable, cannot change.