alam siren

{"cid":"91187147","title":"Wireless DIY Home Security Tuya WIFI\/GSM\/RF433 Alarm System SMS Smart Alarm System with PIR Detector Door Sensor Siren","imgUrl":"https:\/\/img.chinax.com\/nimg\/bb\/ad\/6d2af2bdec193d848414b3eb4150-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"VANSHUI","Model Number":"GR-GSM66T","Minimum Order Quantity":"1pc","Delivery Time":"5-8 working days","Certification":"CE,FCC","Place of Origin":"SHANGHAI,CHINA","Payment Terms":"T\/T, Western Union,Paypal","Supply Ability":"10000pcs per month","Packaging Details":"Box size: 21*14.5*9.3cm, 1kg; Carton size:50*45*42cm,18kg,20pcs\/carton","Alarm Host RF receiving frequency":"433MHz(\u00b175KHz),PT2262 \/ 4.7M\u03a9 EV1527\/300K","Alarm Host RF transmitting frequency":"315MHz(\u00b175KHz),PT2262 \/ 4.7M\u03a9 EV1527\/300K","Power Input":"DC 5V \/ 2A","Standby current":"\u2264150mA","Alarming current":"\u2264350mA","WIFI Standard":"802.11 b\/g\/n","Backup Battery":"4.2V 300mAH rechargeable Li battery","Full charged time":"10 hours (Standby time: 6 hours)","Wired Siren volume":"120DB (The default beep time is 180s when alarm)","Working temperature":"-10\u2103~+50\u2103"}}