Model Number: WL-ZRCPBPB-K4340-01 Brand Name: wulian Key Specifications/Special Features: 1. Smart remote controller can be used with presetting scene on the App as a remote controller. So user can switch different customized scenes without phone. It is operated easily to take care of family members.2. It can bind with smart lock to realize double unlocking.3. Fashionable and compact design, portable. Communication mode: IEEE 802.15.4 (ZigBee/SmartRoom)Power parameter: DC 3VStandby current: ＜3μA Power supply: CR2450*2, button battery Bandwidth: 2.405~2.480GHz Communication distance: 100m (depend on specific environmental conditions) Installation method: Portable type Working temperature/humidity: -10℃~+45℃/≤95%RH (noncondensing) Material & color: PC+ABS, black Dimensions (L*W*H): 56.9*40.2*14 (mm) Net weight: 15g Gross weight: 60g