Automatically turn your appliances on/off using this cheap device!

Everybody deserves to cut back on their electric bill but, often, we are taken aback by how much cash we need to lay down on the table before actually saving electricity. 

Fear not! This device will have your back without hacking your wallet.

The Revex PT25 is a simple analog programmable timer that will go between your socket and your appliance’s power plug. Using it is actually very simple.

  • First,  you have to know where you live and/or the nominal frequency of the alternating current (A/C) between the power grid’s power station to your home. We live in Tokyo and our power provider has a nominal frequency of 50Hz. The jargon above may scare you but you can actually find the list at the back of this device’s box as pictured below (or you could google your place’s AC nominal frequency). You have two options in using it. The switch on the side will allow you to turn appliance/gadget on at all times (top) or run it in timer mode (down).

  • To set the timer, you must first set the actual time before plugging it in the socket by moving the time to the red pointer. If it’s 10:00 PM, we set it to 22. This device allows us to program in 15-minute increments.

  • Next, know the time when you want your electric/electronic devices to turn on. For our case, let’s say we want it ON from 8:15 AM until 11:00 AM. What we need to do is push down the thin blue and while buttons(?) in that range down. If you change your mind, just reset by pulling the buttons back up. Remember: Up = OFF, Down = ON.

  • Now, attach your appliance’s power cord in this device’s socket (it looks like a pig’s snout. hahaha).

  • Plug it in. Enjoy your new smart device! ☺


The Revex PT25 currently solds for around 520 yen in Amazon Japan. Price may vary after this post is published. This device is indispensable for using the Thunderbird Slow Cooker.

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Paula Lapizar

Chemical Engineer. Daughter. Sister. Lover. Tree-Hugger. Bargain Hunter
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Paula Lapizar

Chemical Engineer. Daughter. Sister. Lover. Tree-Hugger. Bargain Hunter

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