Intelligent Time Recorder Features: (Model KH03B) 1. Big LCD shows the time 2. It can save 200,000 records which can be stored for over 10 years 3. It has USB connector, support RS485 adapter 4. Inner backup batteries can work for 2-3 days Electric parameters: 1. Input voltage: 165v~265v, 50/60Hz 2. Input current: 600mA 3. Dynamic current: 200mA Features (Model: KHA01) 1. 128*64 lattic shows, support English and Chinese, can issue message at random time. 2. To show the staff's message, serial No., name while reading card 3. Can supervise at real time, inner Dog-Guard circuit strengthens the reliability and stability 4. RS232/RS485 adapter, no need to jump line 5. It can register 5,000 staffs, store 50,000 records Electric parameters: 1. Input voltage: DC12V 2. Input current: 200mA 3. Dynamic current: <150mA 4. Power: <5W