Method of use:
1, boot: put the slide switch to "on"
2, off: Slide switch to "off"
3, set phone number: standby (the phone number is not flashing) press S1 two seconds too long, and the first number starts blinking, press S2 to set, the first number after setting, press the S1, the next number starts blinking, press S2 to set, until the 11-bit number is set. 4, switch the stored phone number: standby (the phone number is not flashing) press S2 to two seconds too long, will switch to the next stored phone number, then press and hold two seconds to cycle.
Set the phone number 5, in the process, if no action within 10 seconds automatically exit to standby mode.
6, the factory default condition, respectively 3 stored phone number "1", "2", "3".
Can be stored 3 Useful phone numbers and memory the last phone number set automatically, change batteries without losing the Memory.
High temperature resistant, 80 Degree heat still functioning.
Large size lcd High-end atmosphere.
Extra long stand-by time, a button battery can last for more than a year.
Carton size: 43X32X27CM/60PCS
Packaging: white box
Dimensions: 137X44X19MM
