【 11 Ringtones Suitable for Various Environment】 Doorbell Mode(8 chimes)/Alarm Mode/Birdsong/Colorful / Night Light Mode 【 Long Distance Wireless】 with a Working Range up to 280m/918ft between the receiver and motion sensor. 【 8 chord music chip, 40mm big horn】 【 Colorful LED lights】 【 4 stages adjustable volume】 【 DIY Pairing 】 can learn from up to 32 wireless sensors Specifications: Condition:100% Brand New Waterproof:IP64 Color:White Material:ABS Volume:113 ~ 25dB Power Supply (Receiver):Micro USB or AAA alkaline battery x 3 (not included) Power Supply (PIR Transmitter):Micro USB or AA alkaline battery x 3 (not included) Battery lifespan:5-7 months (based on 30 minutes per day) Wireless range:280m/918ft Motion detecting range:2 - 8 m/6.6-26ft Working frequency:433.92MHz.
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