In case of built-in sound warning light model of S100D and S125D, it is possible to install the volume on the product by hole machining on the body. Also if you want to install external volume personally, we can supply external volume switch with additional cost. For reference, when installation of external volume, waterproof grade will be down.
Please process as below for additional inquiry and purchsing
A. Online Purchasing Inquiry
1. Firstly check the information of the Products through “Website > Products > Products Group“.
2. Please put inquiry through “Website > Customer Support > Question and Reply“.
B. Offline Purchasing Inquiry
Please contact after checking of person in charge through “Website > Purchase > Purchasing from Abroad“.
Thank you for your inquiry.