* Estimated delivery times start from the date of shipment, excluding processing time.
* Actual delivery times may vary due to holidays, weather conditions, or customs delays.
Cov khoom rov qab yuav txais tos hauv 40 hnub thaum yog hnub tau txais cov khoom. Cov khoom tsim tsis tuaj yeem rov qab lossis hloov. Cov khoom yuav nrog e-gift card yog hloov xwb; rov qab tsis raug.
Tsoom dawb
Zoo siab txais tos rau Roymall, koj lub professional website yuav premium department store tsoom. Peb ntsuas thiab txaus siab rau koj kev pab, thiab peb xav qhia peb lub siab ua tsaug los ntawm ntxiv qhov zoo nkauj rau koj cov kev yuav khoom. Thaum koj yuav khoom nrog peb, koj tsis tas yuav tau cov khoom zoo thiab ua kom koj lub neej zoo dua, tab sis koj yuav tau txais ib qho tsoom dawb nrog txhua qhov kev yuav khoom. Npaj los nrhiav peb cov khoom thiab nrhiav koj cov tsoom zoo? Nrhiav peb cov khoom xaiv, sau koj qhov kev yuav khoom, thiab nqa koj lub siab rau kev zoo siab thaum koj cov tsoom dawb tuaj nrog koj cov khoom.
Kev soj ntsuam
Peb yuav ua haujlwm hard kom soj ntsuam cov khoom rau koj tom qab tau txais koj cov kev yuav khoom thiab ua kom lawv mus kom zoo. Cov lus qhia soj ntsuam yuav muab rau koj hauv koj daim email confirmation.Hauv feem ntau, cov kev yuav khoom yuav raug kho hauv 2 hnub.Hauv cov xwm txheej tshwj xeeb, nws yuav raug delay raws li no: Thaum koj sau ib qhov kev yuav khoom hnub Saturday, Sunday lossis hnub so, nws yuav raug delay 2 hnub..Feem ntau, nws yuav tsum 5-7 hnub ua haujlwm (Monday mus Friday) tsis raug cuam tshuam los ntawm kev delay lossis lwm yam environmental factors..Vim peb cov kev soj ntsuam yog worldwide yog li cov sij hawm soj ntsuam yuav sib raug rau koj qhov chaw uas yog li nws yuav tsum tau ob peb zaug thiab thov ua siab ntev yog koj nyob hauv zej zog lossis lub teb chaws.
1. Kev rov qab & hloov chaw
Peb tsuas yog txais cov khoom yuav los ntawm roymall.com. Yog tias koj yuav los ntawm peb cov khoom lag luam lossis lwm cov khoom yuav, koj tsis tuaj yeem rov qab lawv rau peb.Cov khoom kawg lossis cov tsoom dawb tsis txais tos rau kev rov qab.Kom muaj peev xwm rov qab, koj cov khoom yuav tsis tau siv thiab nyob rau hauv tib yam li koj tau txais lawv. Nws yuav tsum nyob rau hauv cov pob txha original.Tom qab tau txais cov lus qhia rov qab los ntawm peb, thov pob txha koj cov khoom rov qab thiab coj koj cov pob txha mus rau lub chaw hauv pob lossis lwm tus neeg soj ntsuam. Peb yuav kho koj cov khoom rov qab lossis hloov chaw hauv 3-5 hnub ua haujlwm tom qab peb tau txais nws. Kev them rov qab yuav raug kho thiab automatically them rau koj qhov kev them nyiaj ua ntej.Tsis muaj kev rov qab lossis hloov chaw yuav raug txais yog tias cov khoom yog tsim custom, suav nrog custom ntev, custom color, lossis custom sau ntawv.Xav tau ntau ntxiv pab, thov hu rau peb. service@roymall.com lossis Whatsapp: +447549870296
2.Kev them rov qab
Koj yuav tau txais tag nrho cov nyiaj rov qab lossis 100% store credit tom qab peb tau txais koj cov khoom rov qab thiab tshawb xyuas nws. Kev them rov qab yuav raug kho thiab automatically them rau koj qhov kev them nyiaj ua ntej.Thov nco ntsoov tias cov nyiaj soj ntsuam thiab cov nyiaj fees tsis yog rov qab. Cov nyiaj soj ntsuam ntxiv tsis yog rov qab thaum cov pob txha tau soj ntsuam lawm. Koj yog tus neeg ua haujlwm rau kev them cov fees no thiab peb tsis tuaj yeem tso tseg lossis rov qab lawv, txawm tias koj cov kev yuav khoom rov qab rau peb.Thaum peb tau txais thiab paub tseeb tias koj cov khoom rov qab, peb yuav xa koj ib daim email kom paub tias peb tau txais koj cov khoom rov qab. Peb yuav qhia koj txog kev txais lossis tsis txais koj cov nyiaj rov qab.Yog tias koj muaj teeb meem nrog kev them rov qab, thov hu rau peb. service@roymall.com lossis Whatsapp: +447549870296
Description:
The performance of this module is stable and precise measure of distance. And comparable foreign SRF05, SRF02 Ultrasonic Ranging Module. Module precision, blind spots (2cm) super close, stable distance measurement is strong based on this product successfully to market! This module is completely modest capacity of GH-311 anti-theft module.
Specifications:
1. Voltage: DC5V
2. Quiescent Current: <2mA
3. level output: the output of the high-5V
4. level: the end of 0V
5. Induction Angle: not more than 15 degrees
6. detection range: 2cm-450cm
7. High precision: up to 0.3cmi
The Module URF04 Works:
(1) IO trigger ranging to at least 10us high signal;
(2) module automatically sends eight 40kHz squre wave, automatically detect whether a signal return;
(3) a signal to return to a high IO output, high duration of the ultrasonic time from launch to return.
Test distance = (time high * speed of sound (340M / S)) / 2;
This product is simple to use, and a Control Port high above a 10US, you can wait for the high output at the receiving port. An output can open the timer can be read when this port goes low timer value for the time ranging be calculated distance. such a continuous cycle of measurement, you move to measure the value we can achieve
OK. Comprei estes 2 sensores em 2019 mas nunca foram entregues...Decidi comprar novamente e o serviço de entrega actual é mais eficiente e agradável.
OK. I bought these 2 sensors in 2019 but they were never delivered...I decided to buy again and the current delivery service is more efficient and pleasant.
OK. I bought these 2 sensors in 2019 but they were never delivered...I decided to buy again and the current delivery service is more efficient and pleasant.
Tips:For questions about your order, place of delivery, product discount, taxation, delivery time, warranty, shipping, payment, exchange rate, and other questions unrelated to the product, please contact customer service.
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