Mini 4-Channel GSM Human Body IR Infrared Sensor Anti-Theft Alarm - Black
Material ABS + PC Brand SJ Model SJ-900 Color Black Quantity 1 Power Supply Input: AC 100~240V / Output: DC 3.5~5V Remote Controlled distance 3~5m Voice Decibels No Battery Type Built-in 350mAh lithium battery Other 4-channel GSM working frequency: 850MHz / 900MHz / 1800MHz / 1900MHz Packing List 1 x Anti-theft alarm 1 x AC 100~240V power adapter (US plug) 1 x USB charging cable 1 x Adhesive tape 1 x Chinese / English user manual