Size：48mm X 25mm X 15mm; Net Weight ：39g

Material ：PC; Color：Black ; Screen ：Color OLED

Function keys：Two; Power supply mode ：Micro USB

Battery : 3.7V lithium battery ; Battery Volume ：150mAh

Receiver sensibility ：-114dBm; Resolution : 128*128

Frequency ：433.92Mhz; Call button capability : 399; Power supply :DC 5V / ≥200mA

Prompt mode : vibration ; Display method : 3-5 digits in format of 0-9 or A-Z.

Number deleting mode ：manually , automatically ; surface : wear-resistant UV painting

Stand -by time: 5 days ; Alarm clock, time, calendar function .