Two-way RF keypad uses eligible license-free/license-exempt frequencies to communicate key presses to the base station and receive from the base station control information and acknowledge keypad transmissions.

Waterproof cover design, easy to operate.

Functional, long distance, high cost performance…
With built-in rechargeable Li-battery, water-proof & easy-press buttons, wireless 433 MHz radio frequency technology, it has long battery life and wide communication range.
Conference voting two keys / three keys
Simple sequence support 2~10 grades

Smart, simple-use, popular Advanced two-way 2.4G radio frequency technology,portable design with 2AA ordinary batter, good price
Advanced two-way 2.4G radio frequency (RF) technology
Several software applications and PowerPoint* add-ins
6 alphanumeric keys for single / multiple choice response, button are labeled 1~6, A ~ F