The TW101 Easter Church Intercom Dualway Bank Store Window Counter Interphone System by Retekess is a versatile communication system suitable for various conditions such as drive-thru windows, banks, hospitals, and bus stations. With a maximum working current of 1A and main and secondary speakers of 3W, this intercom system ensures clear voice communication with an automatic squelch function and full duplex voice talkback technology. The system features volume control support, power that can reach 3W, and a full automatic call control for easy operation. With wired connectivity and a cable length of about 2M, the TW101 model offers reliable communication in a compact size.