This product uses standard 2U chassis design, unique appearance, reasonable layout of the interior space, flexible control function keys, LED LCD information. Products with dust, insects, moisture and other multiple effects, reasonable structure design, excellent material selection. Two Features 1. WS-601 has the rainfall alarm linkage online monitoring and early warning capabilities; 2. Has management, authorized users remote control device SIM card and voice broadcast function; 3. Has management, authorized users to remotely control devices landline number and voice broadcast function; 4. With management, authorized users remote control device and SIM card SMS to speech broadcast function; 5. With local microphone, U disk, MP3, FM, voice broadcast line input function; 6. Has management users to remotely open on / off device is turned on receipt of short message function; 7. operate with administrative user remote parameter setting function; 8. Talk with administrative user to remotely change the password function; three prominent features 1 device uses AC-DC dual power supply mode, the real DC online free seam switch is on the clock to ensure that the device is in power state. Built-in DC power supply capacity, ensure sustainable work two hours during an emergency. 2. The device uses a large-capacity memory, broadcast a short message content can support up to 500 words. 3. The use of military grade amplifier chip, clear sound, beautiful. 4.GSM and PSTN dual network design to ensure maintaining a channel when in distress can be remotely controlled. 5. rainfall monitoring online mode, you can receive real-time rainfall data and broadcast, breaking the previous working state monitoring data manually after warning; 6. Standard 2U chassis design, can be placed directly on each client machine room;