Knock-Knock-EM Lock Version

Product name: Knock-Knock-EM Lock Version

Demo video:

Dear friend, if you like this prop, here I attached our twinkling light prop for you.

Please kindly check the link as below:

Players will find out the right knock rhythm according to the password  hidden in  twinkling light.

Brief introduction

This is to be used in reality room escape game, the adventurers should knock at the door with right rhythm pattern.For example: if the rhythm type is2-3-2,firstly knock twice, secondly knock 3 times, thirdly knock twice again,then the door will open.

Consists of

One Vibration sensor(adjust the sensitivity)

One controller

One adapter DV 12V 11.0 × 6.5 × 6.0cm

Photo show

When the power supply(AC 100V~240V all usable)given to the props; the 12V EMlockclosed tightly.

The sensor should be installed onto the door (fixed on front or back of the doorboth ok).

Please set the rhythm pattern in advance.

The adventurers should knock at the door with right rhythmic pattern which should be set in advance by the staff. For example :if the rhythm type is2-3-2,firstly knock twice, secondly knock 3 times, thirdly knock twice again,then door opens.

After the adventurersknocked the door with right rhythm type, the door opens.

Product highlights

User can REVISE the rhythm password ;

User can REVISE the TF sound.

How to reset ?

Knock again to reset.

How to connect EM lock?

Warm tip:

Props do NOT include EM locks.

Please provide12v EM lock by yourself.


Import duties,taxes and charges are NOT included in the item price.


①We accept Alipay, West Union and T/T. All major credit cardsare accepted through secure payment processor ESCROW.

②Payment mustbe made within 3 days of order.

③If you can’tcheck out immediately after auction close, please wait for a few minutes andretry.

④Make sure that you have completed all the detail information, such as contactperson,address, post code and telephone  number.


①Worldwide shipping. (Except some countries and APO/FPO).

②Orders processedtimely after payment verification. Generally, it will be shippedwithin 48 hoursafter received payment. So if you want to change the address orother request,please contact us in 24 hours when clear payment.

①We only ship to confirmed order addresses. Your order address MUST MATCH your shipping address.

②The images shown on the video are for your reference only.

③SERVICETRANSITTIME is provided by the carrier and excludes weekends and holidays.Transit timemay vary, particularly during the holiday season.

④If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you ASAP with a reply.

Our goal is customer satisfaction.


EMS:Reach mostof the countries within 6 to 8 days.

DHL:Reach mostof the countries within 4 to 5 days.

Fedex:Reach most of the countries within 2 to 6 days.

Chinapost:Reach most of the countries within 15 to 30 days.

①When the parcel comes, please check it face to face.

②Sign after checking.


①All goods are closely inspected before shipment. So if you are not satisfied with your purchase, you can exchange the item in one week and must contact us in 24hours of the receipt of your parcel. If this item is in your possession morethan 7days, it is considered used and WE WILL NOT ISSUE YOU A REFUND ORREPLACEMENT.

②All returneditems MUST BE in the original packaging and you MUST provide us with the shipping tracking number and the specific reason for return.


We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. We request that you contact us immediately BEFOREyou give us neutral or negative feedback, so that we can satisfactorily address your concerns. It is impossible to address issues if we do not know about them.