Model; C3 - 2.6" LCD display - Siren alarm start and auto-dial 6 preset phone numbers after alarm has been tripped - Will report the preset voice message after the phone answered - Remote set or cancel alarm - High Priority to make the alarm phone call - Receive frequency: 315 MHz - Supports up to 99 wireless zone - Supports up to 6 group alarm phone numbers - 110 dB Alarm - Alarm current: 450mA - Coding method: 2262 IC / 4.7Mohm - Built-in 500 mAh rechargeable battery - Standby time up to 8h - Widely used in home shop office warehouse or other place - Package includes: - 1 x Alarm Main Control System - 1 x Power adapter (100~240V / US plug / 112cm-cable) - 1 x PIR detector (4 x AAA batteries not included) - 1 x Door sensor (1 x 23A 12V battery included) - 1 x Wired siren (90cm-cable) - 2 x Remote controller (1 x 23A 12V battery included) - 1 x Phone connection cable (120cm-length)