Return items will be accepted within 40 days when is the date of receiving the goods. Customized items cannot be returned or exchanged. Items bought with an e-gift card are exchangeable only; refunds are not applicable.
Free Gift
Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.
Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.
1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side.Final sales items or free gifts are not acceptable for a return.To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier. We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom
color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +8619359849471
2.Refund Policy
You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment.Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +8619359849471
Specifications:
Power supply: DC 12V; the maximum range 11-14V; too low voltage displaying Lu; too high voltage displaying Hu; protection closed output
Output current: single channel maximum continuous output current 1.2A; double channels being both used at the same time current cannot exceed 2.0A; not suggesting using the fan with current being lower than 0.15A
Work efficiency: 90% (input 12V; output double way 8V 0.8A)
Reversely connected protection: short circuit reverse connection protection; power supply being connected reversely will burn out input copper foil Over current protection: no over current protection; please note insulating installation; power up it after the wire is well connected to avoid output short circuit!! (only paid maintenance will be offered for overload and short circuit damage)
Thermal resistance parameters: NTC 10K B=3950
Measurement temperature error: 1%-0.5u2103; after combining 1% probe, the maximum error 2%-1u2103
It automatically take turns to display channel 1 temperature, rotation speed, and channel 2 temperature, rotation speed under normal operation; quickly switch the display by pressing the "+" "-" button.
Parameter Setting:
Manual rotating speed setting (the minimum rotating speed under temperature control): Press “OK” button to enter into rotating speed setting function; FAN1 2 indicator lights lighting up at the same time stands for current adjustment being fan 1’s output size and by pressing the “+”&“-” button to adjust it with minimum 1 & maximum 100. After the setting, press “OK” button to enter into fan 2’s output size setting; after the setting, press “OK” button again to exit and save the parameters.
Temperature control and stop-rotating alarm settings:
Under normal operating state, long-press “OK” button to enter into temperature control and stop-rotating alarm settings; indicator light on the right indicates corresponding setting channel; corresponding setting parameter display, meanings, and range (“**” stands for digit ): L** accelerating speed temperature setting, range 5-94u2103; lower than H** at least 5u2103, or adjust up H** by linkage. H** full speed temperature setting; range 10-99u2103; higher than L** at least 5u2103, or adjust down L** by linkage. F** fan being shut off temperature; minimum 1; maximum limitation is lower than L** 2u2103; when F00 is set, fan is not shut off. bON / bOF: channel stop-rotating alarm on / off.
Adjust the setting value by pressing “+”&“-” button; press “OK” button to switch setting parameters; set the channel 1 according to the above sequence first, channel 2 second; press “OK” button at last to exit and save parameters.
Supplementary Instructions: when channel temperature reaches L** after fan being shut off function is started, fan is started at minimum speed; it will accelerate with temperature increasing; when channel temperature is lower than F**, fan is shut off. Corresponding channel stop-rotating alarm will automatically block shut-off status’s rotating speed check.
Shutting off channel 2 display:
One channel is needed for some application and now channel 2 can be shut off; the setting method: keep pressing “OK” button to make it be powered up with controller not being powered up; controller entering into channel 2 displays setting status; modify the setting by pressing “+”&“-” button; 2ON / 2OF stands for channel 2 display / no display; after the setting, press “OK” button to save it, exit and enter into operating status.
Note: after channel 2 display being shut off, it will not display channel 2’s rotating speed and temperature only on LED display; it will not affect channel 2’s function.
Package included:
1 x Fan temperature controller 2 x Temperature probe 1 x Buzzer
Roymall C.o.
Free Gift
Shipping Policy
Return Policy
Coupon Code
Direct purchase from the factory 
