<p>Features: Use mobile phone making call or sending message to this GSM socket to switch on\/off the power socket so that to control the electrical appliances</p> <p>It works in any places with GSM signal available</p> <p>Can set up 5 groups of master numbers</p> <p>It can control , electric motors, electric doors, lights, rice cookers and other appliances</p> <p>Note:</p> <p>1. Can only control the power supply switched on or off, do not have other functions. </p> <p>2. In addition to work directly with current electrical appliances, only if other control or button electrical appliances with memory function can use this products. </p> <p>3. SIM card requirements: Global GSM standard SIM card can be used, currently does not support 3G or CDMA card, please activate the new SIM before insert the device.</p> <p>4. It is recommended that customers buy an SIM card which is answering free, so it only cause the auto answering messages fee.</p> <p>5. Incoming Caller ID display must be turned on, make sure that SIM card has sufficient balance in order to call and send text messages.</p> <p>6. Do not place the GSM switch in the tin trunk or metal enclosed environment.</p> <p>7. When the signal is weak in some environment, it will make SMS controlled no that Perfect and this is normal.</p> <p>:</p> <p>Voltage: 220V</p> <p>Current: 10A</p> <p>Rated frequency: 50Hz</p> <p>Power: 2200W</p> <p>Material: plastic</p> <p>colour: White</p> <p>Package Contents:</p> <p>1 x Remote socket</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>