Main technical parametersChipset: APApplication: ESL Display update rate: 30 minutes/30 thousands tagsSuccess Rate: 100%Communication Band: RF 433MHzCoverage Distance: 15 metersSize: V120×H120×D30mmWorking Temperature: 0 ℃~+40 ℃ or -25 ℃~+15 ℃Display Template: Customizable, support for dot matrix (picture)Life Time: 5 Years, battery can be changedCommunication interaction: two-way communication, real-time interaction