Rugged ABS plastic shell, firm & durable, credit-card size Dimensions: 92mm × 54mm × 8mm ( L x W x H) Each keypad has a unique ID number between 1-9999. The ID number of each keypad can be changed through our software The ID number of the keypad is transmitted with each keypad’s response. Support multiple Base stations at the same time, and not interfere with each other 14 buttons －10 voting response buttons: 1/A～10/J －2 functional operate buttons: C for cancel, OK for confirm －2 symbol input buttons: decimal point button, minus button 6 segment type digital LCD, display dimension: 38mmx16mm display number: 0~9 display 6 characters (max. support to input 10 characters) display: Signal strength, receive & send status, low battery symbol, submit successfully OK indicates Adopting multiple channels, micro power two way RF 2.4GHz digital communication technology, international applicable. Channels: 32 channels, RF power < 1mW（0 dBm） Using SunVote special ARS communication protocol After the keypads data being successfully received by the base station, the keypads will receive the indication information. Keypad can auto track and lock the channel of its base station, no need to change the keypads by hand, which is convenient and reliable. All keypads can be online tested automatically, the working status information can be feedback Internal antenna is protected by the keypad enclosure Indoor practical testing: 300 x300 Feet Using recharge battery, Type Li-Ion Auto power off function, can achieve over 15000 times response by practical testing (related to battery quality). Support remotely power off via software
