Specification: 
 Product model: DJT11LM 
 Product size: 36x36x 9mm (1.42x 1.42x 0.35in.) 
 Wireless connection: Zigbee 
 Battery model: CR2032 
 Executive standard: Q/QLML012-2016 
 Working temperature: -10ﾰ C~+50ﾰ C 
 Working temperature: 0~95% RH, no condensation 
 Material: PVC fireproof material