Tuya WiFi Sound And Light Door Magnetic Doors Windows Alarm Scene Linkage APP Reminder 1. Gngzu diny:DC 3V 2. Jngti dinli: Xioy dngy 120 wi n 3. Bojng dinli: Xioy dngy 20 ho n 4. Bojng shngyn: Dy 100 fnbi 5. WiFi:IEEE 802.11 B 2.4G 6. Gngzu dinyun:2 Ji AAA 1.5V(b hn dinch) 7. Chnpn qngdn: Mnchung gnyng q +zhnng mn chungnq tnc q 8. Chcn:37.5 X 90.5 X 21.5Mm;17.5 X 57.5 X 17mm tdin: 1. Wi mnchung zhshu, wi nqun fngh 2. APP kngzh, shng gung bojng, mnchung zhungti chxn, y jin b chfng, dngsh b chfng 3. Shungchng bojng, bojng sh mn c lj fch shng gung bojng, wish xiotu tngsh ynq lnj bo'n zhy 4. Rny tioji ynling, gnj nn de xqi tioji 5. Sush chkn APP, jinch jil mnchung shfu gun ho 6. Yunchng jijng, dng mnchung bi fif dki sh, mn c xinchng bojng bng jing jng qng tusng zh APP 7. Dngsh b chfng ky gnj nn de xqi sh dng shjin, nsh zdng fngdo, shng sh shngl 8. Tixn shj, ynch bojng 9. nqun shuh, fng zi fngdo 10. Shyng gungfn, mnchung, chut, wnjin gu, boxinxing dng 437 5,000 1. Working voltage: DC 3V 2. Static current: less than or equal to 120 microamps 3. Alarm current: less than or equal to 20mA 4. Alarm sound: greater than 100 decibels 5. WiFi: IEEE 802.11b 2.4G 6. Working power supply: 2 AAA 1.5V (battery not included) 7. Product list: door and window sensor + smart door sensor detector 8. Dimensions: 37.5 x 90.5 x 21.5mm; 17.5 x 57.5 x 17mm Features: 1. Guard the doors and windows for safety protection 2. APP control, sound and light alarm, door and window status query, one-key arming and disarming, and scheduled arming and disarming 3. Double alarm, the door sensor immediately sends out sound and light alarm when alarming, deters thieves and draws the attention of neighbor security 4. Adjust the volume arbitrarily, according to your needs 5. Check the APP