Note: This panel ONLY work with 315MHz Chuango accessories. Features: House Call: With a regular SIM card, the G5 can also act as a phone, and you can place calls directly on the panel. One-touch speed dial is also possible. Know It All: You can name all your RFID tags and detection zones for easy identification. Whenever the system is disarmed by a RFID tag, you will get an SMS text notification of who and where. Protection without Boundaries: Download your APP from either App Store or GooglePlay, and you can get to control the entire system remotely with a couple of swipes and taps. Intuitive in design and operability, the G5 APP is more than capable of monitoring a few systems. GSM Function: Insert a SIM card, and you can remotely operate the alarm system with SMS text messages or smartphone APP commands. RFID Touch: Disarming the alarm panel can easily be done by dangling your RFID tag in front of the blue circle. Specifications: Model No: CG-G5 Power supply: Input: AC 110-240V, 50-60Hz Output: DC 12V 500mA GSM working frequency: 850/900/1800/1900MHz Standby current: 110mA Alarm current: 340mA Internal battery backup: 2pcs 3.7V 800mah lithium battery(BL-5B) Internal siren volume: 95dB Supported wireless Accessories: 10 remote controls and 50 wireless sensors Radio frequency: 315MHz Housing material: ABS plastic Operation condition: Temperature: -10+50 Panel Size: 185*130*27mm Stand Size: 150*70*10mm Package Information: Package Size: Approx. 23 * 15 * 8cm / 9 * 5.9 * 3.1in Package Weight: Approx. 900g / 31.7oz Package List: 1 * Alarm Panel 1 * Wireless Door/Window Contact 1 * Wireless PIR Motion Detector 2 * Wireless Remote Control 2 * RFID Tag