Combo-CN28 NAVKAR SYSTEMS Combo Emergency-Tone Siren with Revolving Light 30W 130dB AC220V LED AC220V LED Strobe Wired Door Chime (1 Tune) with 220V /30A Receiver with 2 Remotes ESSL Power Backup Protect Your Privacy--It can provide

Protect Your Privacy--It can provide good safety protection of your personal items while protecting your privacy

Inside the Lock

Display Screen7-inch colorful TFT screen

the Realtime RS 9w simplifies attendance management and enhances security

Operation System : Linux

Combo-CN28 NAVKAR SYSTEMS Combo Emergency-Tone Siren with Revolving Light 30W 130dB AC220V LED AC220V LED Strobe Wired Door Chime (1 Tune) with 220V /30A Receiver with 2 Remotes ESSL Power Backup Protect Your Privacy--It can provideSpecifiations: Led highlighted The warning lamp adopts the highlight durable patch lamp bead, which makes the day shine. Multilayer spiral light transmission lampshade The lampshade of sound and light alarm adopts spiral design, with good light transmission and more durable PC material. High decibel warning It can send out clear and loud warning sound, let the ear quickly receive warning information, and the range of sound transmission is wide.