Description:<br/>Multiple Sound Selection<br/>Powersupply： MiniUSB，5V1A<br/>Backup powersupply：MiniUSB，5V1A<br/>Sound intensity：100dB<br/>Detection temperature：-10°C~80℃<br/>Detection humidity：0%~100%<br/>Wireless Type：2.4GHz<br/>Protocol：IEEE802.11b/g/n<br/>Wireless Range：45m<br/>Operating Temperature：0℃~40℃(32F~104°F)<br/>Operating Humidity：20%~85%<br/>Size：68x68x33mm<br/><br/><br/>Package Included:<br/>1*Alarm<br/>1*User manual<br/><br/><br/><br/><br/><br/><br/><br/>