temp. measuring range     : 0℃ ~ 50℃ ( 32℉ ~ 122℉ )

effective projection dist.   : 3m

power supply                   : DC 1.5V AAA x 2 (not include)

                                        AC 220V or AC 110V(transformed into

                                      DC 3V by a adapter supply for projector only) DC 3.0V

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