Product information<br><br><br>Timing function: no timing<br><br>Power supply: dry batteries (packaging without batteries)<br><br>Rated voltage:3 (V)<br><br>Rated power:2 (W)<br><br>Rated frequency: 50 (Hz)<br><br>Product specification:7.2*6.8*12CM<br><br>Weight: 0.28 model vertical<br><br>Application area: 11 square meters (including square meters (-20)